feat: pull go pkg after publish extension release

Author: ansgarschulte

.github/workflows/reusable-extension-ci.yml

@@ -520,3 +520,41 @@ jobs:
           repo: steadybit/extension-deployer
           inputs: '{"extension":"${{ github.repository }}","version":"${{ needs.build-images.outputs.version }}","revision":"${{ github.sha }}"}'
           token: ${{ secrets.PAT_TOKEN_EXTENSION_DEPLOYER }}
+
+  check-go-pkg:
+    name: Trigger test environment updates
+    if: startsWith(github.ref, 'refs/tags/')
+    needs: [build-images]
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.24'
+
+      - name: Extract tag from GITHUB_REF
+        id: get_tag
+        run: |
+          # Extract the tag name from the full ref (e.g., refs/tags/v2.1.5 becomes v2.1.5)
+          tag="${GITHUB_REF##*/}"
+          echo "tag=$tag" >> $GITHUB_OUTPUT
+          echo "Using tag: $tag"
+
+      - name: Get module name from go.mod
+        id: get_module
+        run: |
+          # Extract the module name from the first line that starts with "module"
+          module=$(grep '^module ' go.mod | awk '{print $2}')
+          echo "module=$module" >> $GITHUB_OUTPUT
+          echo "Module name: $module"
+
+      - name: Attempt to download module with go get
+        run: |
+          module=${{ steps.get_module.outputs.module }}
+          tag=${{ steps.get_tag.outputs.tag }}
+          echo "Running: go get ${module}@${tag}"
+          go get ${module}@${tag}