fix: upgrade golangci-lint-action to v7 for golangci-lint v2 support

Action v6 does not support golangci-lint v2.x binaries.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: gcmsg

.github/workflows/ci.yaml

@@ -63,6 +63,6 @@ jobs:
           npm run build
 
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v6
+        uses: golangci/golangci-lint-action@v7
         with:
           version: v2.11.1