fix(ci): pin golangci-lint to v2.0 for v2 config format

Author: dedene

.github/workflows/ci.yml

@@ -36,4 +36,4 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v6
         with:
-          version: latest
+          version: v2.0