ci: update golangci-lint to v2.1 in GitHub Actions workflow

- Update golangci-lint GitHub Action to use version v8
- Bump golangci-lint version from v2.0 to v2.1

Signed-off-by: Bo-Yi Wu <[email protected]>

Author: appleboy

.github/workflows/lint.yml

@@ -26,7 +26,7 @@ jobs:
           ref: ${{ github.ref }}
 
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v7
+        uses: golangci/golangci-lint-action@v8
         with:
-          version: v2.0
+          version: v2.1
           args: --verbose