[chore] use Go version of go.mod in GitHub actions (#797)

Signed-off-by: Andreas Gerstmayr <agerstmayr@redhat.com>

.github/workflows/changelog.yaml

@@ -31,14 +31,15 @@ jobs:
       !contains(github.event.pull_request.title, 'Prepare release')
 
     steps:
-      - name: Checkout Repo
+      - name: Checkout
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
+
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.20"
+          go-version-file: go.mod
 
       - name: Ensure no changes to the CHANGELOG
         run: |

.github/workflows/continuous-integration.yaml

@@ -15,16 +15,16 @@ jobs:
     name: Unit tests
     runs-on: ubuntu-22.04
     steps:
-      - name: Set up Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: "1.20"
-
-      - name: Check out code into the Go module directory
+      - name: Checkout
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+
       - name: "basic checks"
         run: make ci
 
@@ -41,7 +41,7 @@ jobs:
     name: Security
     runs-on: ubuntu-22.04
     steps:
-      - name: Check out code into the Go module directory
+      - name: Checkout
         uses: actions/checkout@v4
 
       - name: Initialize CodeQL
@@ -59,15 +59,16 @@ jobs:
     name: Code standards (linting)
     runs-on: ubuntu-22.04
     steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.20"
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v4
+          go-version-file: go.mod
 
       - name: Lint
         uses: golangci/golangci-lint-action@v4
         with:
           args: -v
-          version: v1.52.2
+          version: v1.56.1

.github/workflows/e2e.yaml

@@ -24,13 +24,13 @@ jobs:
        - "1.28"
 
     steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+
     - name: Set up Go
       uses: actions/setup-go@v5
       with:
-        go-version: "1.20"
-
-    - name: Check out code into the Go module directory
-      uses: actions/checkout@v4
+        go-version-file: go.mod
 
     - name: "install kuttl"
       run: ./hack/install/install-kuttl.sh
@@ -49,16 +49,16 @@ jobs:
           - "1.28"
 
     steps:
-    - name: Set up Go
-      uses: actions/setup-go@v5
-      with:
-        go-version: "1.20"
-
-    - name: Check out code into the Go module directory
+    - name: Checkout
       uses: actions/checkout@v4
       with:
         fetch-depth: 0
 
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version-file: go.mod
+
     - name: Start kind
       run: kind create cluster --config kind-${{ matrix.kube-version }}.yaml --wait 5m
 

.github/workflows/prepare-release.yaml

@@ -10,12 +10,13 @@ jobs:
   prepare-release:
     runs-on: ubuntu-22.04
     steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.20"
-
-      - uses: actions/checkout@v4
+          go-version-file: go.mod
 
       - name: Update makefile
         run: sed -i.bak "s/OPERATOR_VERSION ?= .*/OPERATOR_VERSION ?= $OPERATOR_VERSION/g" Makefile && rm Makefile.bak

.github/workflows/publish-test-utils-image.yaml

@@ -22,7 +22,8 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout
+        uses: actions/checkout@v4
 
       - name: Docker meta
         id: meta

.github/workflows/release.yaml

@@ -21,14 +21,15 @@ jobs:
       env:
         BRANCH: ${{ github.event.pull_request.head.ref }}
 
-    - name: Set up Go
-      uses: actions/setup-go@v5
+    - name: Checkout
+      uses: actions/checkout@v4
       with:
-        go-version: "1.20"
+        ref: main
 
-    - uses: actions/checkout@v4
+    - name: Set up Go
+      uses: actions/setup-go@v5
       with:
-        ref: main
+        go-version-file: go.mod
 
     - name: "generate release resources"
       run: make release-artifacts

.github/workflows/reusable-publish-images.yaml

@@ -8,7 +8,8 @@ jobs:
     name: Publish container images
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout
+        uses: actions/checkout@v4
 
       - name: Unshallow
         run: git fetch --prune --unshallow

.github/workflows/scorecard.yaml

@@ -21,13 +21,13 @@ jobs:
           - "1.28"
 
     steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.20"
-
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v4
+          go-version-file: go.mod
 
       - name: "install kuttl"
         run: ./hack/install/install-kuttl.sh