🌱 use upstream setup-go, not own action.

Author: guettli

.github/actions/setup-go/action.yaml

@@ -19,14 +19,12 @@ jobs:
     name: Build and push manager image
     runs-on: ubuntu-24.04
     steps:
-      - name: Checkout code
-        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
-        with:
-          fetch-depth: 0
-      - name: Install go
-        uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v5
         with:
-          go-version-file: "go.mod"
+          go-version-file: go.mod
+
       - name: Set up QEMU
         uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf # v3.2.0
       - name: Set up Docker Buildx

.github/workflows/build.yml

@@ -132,16 +132,16 @@ jobs:
     steps:
       - name: Set env
         run: echo "RELEASE_TAG=${GITHUB_REF:10}" >> $GITHUB_ENV
+
       - name: checkout code
         uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
         with:
           fetch-depth: 0
-      - name: Install go
-        uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
+
+      - uses: actions/setup-go@v5
         with:
-          go-version-file: "go.mod"
-          cache: true
-          cache-dependency-path: go.sum
+          go-version-file: go.mod
+
       - name: Release
         uses: softprops/action-gh-release@e7a8f85e1c67a31e6ed99a94b41bd0b71bbee6b8 # v2
         with: