ci(vale): only report warnings and errors (#23238)

Only fail vale test on warnings and errors on PRs.

.github/labeler.yml

@@ -181,6 +181,11 @@ area/copilot:
       - any-glob-to-any-file:
           - content/manuals/copilot/**
 
+ci:
+  - changed-files:
+      - any-glob-to-any-file:
+          - .github/workflows/**
+
 hugo:
   - changed-files:
       - any-glob-to-any-file:

.github/workflows/build.yml

@@ -105,6 +105,6 @@ jobs:
         name: Run reviewdog for vale
         if: ${{ matrix.target == 'vale' && github.event_name == 'pull_request' }}
         run: |
-          cat ./tmp/vale.out | reviewdog -f=rdjsonl -name=vale -reporter=github-pr-annotations -fail-on-error=false -filter-mode=added -level=info
+          cat ./tmp/vale.out | reviewdog -f=rdjsonl -name=vale -reporter=github-pr-annotations -fail-on-error=false -filter-mode=added -level=info -fail-level=warning
         env:
           REVIEWDOG_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}