Website feedback: double backslashes so escapes can't rebuild references; queue every approval

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

.github/workflows/approve-contributor.yml

@@ -18,6 +18,7 @@ jobs:
     concurrency:
       group: approve-contributor
       cancel-in-progress: false
+      queue: max
     runs-on: ubuntu-latest
     permissions:
       contents: write