chore: pin GitHub Actions to commit SHA, remove pr-review workflow

- Pin all action references to full commit SHA instead of mutable
  version tags. Tag retained as inline comment for readability.
- Remove pr-review.yml workflow.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: glours

.github/workflows/ci.yml

@@ -35,17 +35,17 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
       -
         name: Run
         run: |
           make ${{ matrix.target }}
 
   binary:
-    uses: docker/github-builder/.github/workflows/bake.yml@v1.4.0
+    uses: docker/github-builder/.github/workflows/bake.yml@70313223e2665c3211b454b3fea6534624e78d64 # v1.4.0
     permissions:
       contents: read # same as global permission
       id-token: write # for signing attestation(s) with GitHub OIDC Token
@@ -67,7 +67,7 @@ jobs:
     steps:
       -
         name: Download artifacts
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7
         with:
           path: /tmp/compose-output
           name: ${{ needs.binary.outputs.artifact-name }}
@@ -103,15 +103,15 @@ jobs:
           done
       -
         name: Upload artifacts
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6
         with:
           name: release
           path: ./bin/release/*
           if-no-files-found: error
 
   bin-image-test:
     if: github.event_name == 'pull_request'
-    uses: docker/github-builder/.github/workflows/bake.yml@v1.4.0
+    uses: docker/github-builder/.github/workflows/bake.yml@70313223e2665c3211b454b3fea6534624e78d64 # v1.4.0
     with:
       runner: amd64
       target: image-cross
@@ -132,25 +132,25 @@ jobs:
     steps:
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
       -
         name: Test
-        uses: docker/bake-action@v6
+        uses: docker/bake-action@5be5f02ff8819ecd3092ea6b2e6261c31774f2b4 # v6
         with:
           targets: test
           set: |
             *.cache-from=type=gha,scope=test
             *.cache-to=type=gha,scope=test
       -
         name: Gather coverage data
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
         with:
           name: coverage-data-unit
           path: bin/coverage/unit/
           if-no-files-found: error
       - 
         name: Unit Test Summary
-        uses: test-summary/action@v2
+        uses: test-summary/action@31493c76ec9e7aa675f1585d3ed6f1da69269a86 # v2
         with:
           paths: bin/coverage/unit/report.xml       
         if: always()
@@ -185,7 +185,7 @@ jobs:
           echo "MODE_ENGINE_PAIR=${mode}-${engine}" >> $GITHUB_ENV
 
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
       - name: Install Docker ${{ matrix.engine }}
         run: |
@@ -199,15 +199,15 @@ jobs:
         run: docker --version
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
 
       - name: Set up Docker Model
         run: |
           sudo apt-get install docker-model-plugin
           docker model version
 
       - name: Set up Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6
         with:
           go-version-file: '.go-version'
           check-latest: true
@@ -217,7 +217,7 @@ jobs:
         run: make example-provider
 
       - name: Build
-        uses: docker/bake-action@v6
+        uses: docker/bake-action@5be5f02ff8819ecd3092ea6b2e6261c31774f2b4 # v6
         with:
           source: .
           targets: binary-with-coverage
@@ -244,7 +244,7 @@ jobs:
 
       - name: Gather coverage data
         if: ${{ matrix.mode == 'plugin' }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
         with:
           name: coverage-data-e2e-${{ env.MODE_ENGINE_PAIR }}
           path: bin/coverage/e2e/
@@ -258,7 +258,7 @@ jobs:
           make e2e-compose-standalone
 
       - name: e2e Test Summary
-        uses: test-summary/action@v2
+        uses: test-summary/action@31493c76ec9e7aa675f1585d3ed6f1da69269a86 # v2
         with:
           paths: /tmp/report/report.xml       
         if: always()
@@ -271,20 +271,20 @@ jobs:
     steps:
       # codecov won't process the report without the source code available
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
       - name: Set up Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6
         with:
           go-version-file: '.go-version'
           check-latest: true
       - name: Download unit test coverage
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4
         with:
           name: coverage-data-unit
           path: coverage/unit
           merge-multiple: true
       - name: Download E2E test coverage
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4
         with:
           pattern: coverage-data-e2e-*
           path: coverage/e2e
@@ -293,13 +293,13 @@ jobs:
         run: |
           go tool covdata textfmt -i=./coverage/unit,./coverage/e2e -o ./coverage.txt
       - name: Store coverage report in GitHub Actions
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
         with:
           name: go-covdata-txt
           path: ./coverage.txt
           if-no-files-found: error
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@1af58845a975a7985b0beb0cbe6fbbb71a41dbad # v5
         with:
           files: ./coverage.txt
 
@@ -312,10 +312,10 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
       -
         name: Download artifacts
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7
         with:
           path: ./bin/release
           name: release

.github/workflows/docs-upstream.yml

@@ -34,17 +34,17 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
       -
         name: Upload reference YAML docs
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
         with:
           name: docs-yaml
           path: docs/reference
           retention-days: 1
 
   validate:
-    uses: docker/docs/.github/workflows/validate-upstream.yml@main
+    uses: docker/docs/.github/workflows/validate-upstream.yml@464a44a6e72b37cf1755968477e242a5e5f6ef7d # main 2026-03-24
     needs:
       - docs-yaml
     with:

.github/workflows/merge.yml

@@ -31,9 +31,9 @@ jobs:
     env:
       GO111MODULE: "on"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
-      - uses: actions/setup-go@v6
+      - uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6
         with:
           go-version-file: '.go-version'
           cache: true
@@ -83,7 +83,7 @@ jobs:
       - run: echo "Exposing env vars for reusable workflow"
 
   bin-image:
-    uses: docker/github-builder/.github/workflows/bake.yml@v1.4.0
+    uses: docker/github-builder/.github/workflows/bake.yml@70313223e2665c3211b454b3fea6534624e78d64 # v1.4.0
     needs:
       - bin-image-prepare
     permissions:
@@ -117,7 +117,7 @@ jobs:
       -
         name: Generate Token
         id: generate_token
-        uses: actions/create-github-app-token@v1
+        uses: actions/create-github-app-token@d72941d797fd3113feb6b93fd0dec494b13a2547 # v1
         with:
           app-id: ${{ vars.DOCKERDESKTOP_APP_ID }}
           private-key: ${{ secrets.DOCKERDESKTOP_APP_PRIVATEKEY }}
@@ -126,7 +126,7 @@ jobs:
             ${{ secrets.DOCKERDESKTOP_REPO }}
       -
         name: Trigger Docker Desktop e2e with edge version
-        uses: actions/github-script@v7
+        uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b # v7
         with:
           github-token: ${{ steps.generate_token.outputs.token }}
           script: |

.github/workflows/pr-review.yml

@@ -19,7 +19,7 @@ jobs:
       issues: write
       pull-requests: write
     steps:
-      - uses: actions/stale@v9
+      - uses: actions/stale@5bef64f19d7facfb25b37b414482c7164d639639 # v9
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           stale-issue-message: >