fix linter warning

Author: ChrisGe4

.github/workflows/actionlint.yml

@@ -19,5 +19,5 @@ jobs:
       - name: 'Run actionlint with reviewdog'
         uses: 'reviewdog/action-actionlint@6fb7acc99f4a1008869fa8a0f09cfca740837d9d' # ratchet:reviewdog/action-actionlint@v1.72.0
         with:
-          fail_on_error: true
+          fail_level: 'error'
           reporter: 'github-pr-check'

.github/workflows/centralized-stale.yml

@@ -44,7 +44,7 @@ jobs:
         run: |
           # Query GitHub API for active, public, non-forked repositories and force single-line JSON to prevent GITHUB_OUTPUT truncation
           REPOS=$(gh api --paginate /orgs/google-github-actions/repos -q '[.[] | select(.archived == false and .private == false and .fork == false) | .name]' | jq -c .)
-          echo "repos=${REPOS}" >> $GITHUB_OUTPUT
+          echo "repos=${REPOS}" >> "$GITHUB_OUTPUT"
 
   # Stage 2: Fan out official actions/stale across all discovered repositories
   apply-stale-rules: