ci: update linting workflow to use latest golangci-lint versions

- Update golangci-lint-action to version v8 and set linter version to v2.1 in the GitHub Actions workflow

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

Author: appleboy

.github/workflows/go.yml

@@ -19,9 +19,9 @@ jobs:
           go-version-file: "go.mod"
           check-latest: true
       - name: Setup golangci-lint
-        uses: golangci/golangci-lint-action@v7
+        uses: golangci/golangci-lint-action@v8
         with:
-          version: v2.0
+          version: v2.1
           args: --verbose
 
       - name: Bearer