chore: update toolchain and tools

Update dependencies:
```
toolchain: v1.13.0-beta.0
tools: v1.13.0-beta.0
```

Signed-off-by: Mateusz Urbanek <mateusz.urbanek@siderolabs.com>

Author: shanduur

.github/workflows/ci.yaml

@@ -1,6 +1,6 @@
 # THIS FILE WAS AUTOMATICALLY GENERATED, PLEASE DO NOT EDIT.
 #
-# Generated on 2026-02-17T10:04:57Z by kres 6458cfd.
+# Generated on 2026-03-17T09:39:15Z by kres 7bfd168.
 
 concurrency:
   group: ${{ github.head_ref || github.run_id }}
@@ -63,7 +63,7 @@ jobs:
           git fetch --prune --unshallow
       - name: Set up Docker Buildx
         id: setup-buildx
-        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # version: v3.12.0
+        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # version: v4.0.0
         with:
           append: |
             - endpoint: tcp://buildkit-arm64.ci.svc.cluster.local:1234
@@ -80,7 +80,7 @@ jobs:
           make nonfree
       - name: Login to registry
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # version: v3.7.0
+        uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # version: v4.0.0
         with:
           password: ${{ secrets.GITHUB_TOKEN }}
           registry: ghcr.io
@@ -165,7 +165,7 @@ jobs:
           git fetch --prune --unshallow
       - name: Set up Docker Buildx
         id: setup-buildx
-        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # version: v3.12.0
+        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # version: v4.0.0
         with:
           append: |
             - endpoint: tcp://buildkit-arm64.ci.svc.cluster.local:1234

.github/workflows/weekly.yaml

@@ -1,6 +1,6 @@
 # THIS FILE WAS AUTOMATICALLY GENERATED, PLEASE DO NOT EDIT.
 #
-# Generated on 2026-02-17T10:04:57Z by kres 6458cfd.
+# Generated on 2026-03-17T09:39:15Z by kres 7bfd168.
 
 concurrency:
   group: ${{ github.head_ref || github.run_id }}
@@ -46,7 +46,7 @@ jobs:
           git fetch --prune --unshallow
       - name: Set up Docker Buildx
         id: setup-buildx
-        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # version: v3.12.0
+        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # version: v4.0.0
         with:
           append: |
             - endpoint: tcp://buildkit-arm64.ci.svc.cluster.local:1234

Pkgfile

@@ -3,9 +3,9 @@
 format: v1alpha2
 
 vars:
-  TOOLCHAIN_MUSL_IMAGE: ghcr.io/siderolabs/toolchain-musl:v1.13.0-alpha.0-6-g5b44ff9
+  TOOLCHAIN_MUSL_IMAGE: ghcr.io/siderolabs/toolchain-musl:v1.13.0-beta.0
   TOOLS_PREFIX: ghcr.io/siderolabs/
-  TOOLS_REV: v1.13.0-alpha.0-19-g5c753fc
+  TOOLS_REV: v1.13.0-beta.0
   LLVM_IMAGE: ghcr.io/siderolabs/llvm
 
   # renovate: datasource=github-releases depName=containernetworking/plugins