Update Golang 1.17

Signed-off-by: Stefan Scherer <stefan.scherer@docker.com>

Author: StefanScherer

.github/workflows/release-weekly-build.yml

@@ -18,10 +18,10 @@ jobs:
     env:
       GO111MODULE: "on"
     steps:
-      - name: Set up Go 1.15
+      - name: Set up Go 1.17
         uses: actions/setup-go@v1
         with:
-          go-version: 1.15
+          go-version: 1.17
         id: go
 
       - name: Checkout code into the Go module directory
@@ -53,10 +53,10 @@ jobs:
         # Only the CLI is needed to run docker-scan e2e
         run: brew install docker
 
-      - name: Set up Go 1.15
+      - name: Set up Go 1.17
         uses: actions/setup-go@v2
         with:
-          go-version: 1.15
+          go-version: 1.17
         id: go
 
       - name: Checkout code into the Go module directory