use cache for linting

Change setup-go to use cache (enabled by default). Also, extract the used Go version from the go.mod file instead of hard coding it.

.github/workflows/codequality.yml

@@ -25,11 +25,14 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-go@v5
+      - name: setup go
+        uses: actions/setup-go@v5
         with:
-          go-version: "1.21"
-          cache: false
-      - uses: actions/checkout@v4
+          go-version-file: "./go.mod"
+
+      - name: checkout code
+        uses: actions/checkout@v4
+
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
         with: