Merge pull request #524 from jenkinsci/renovate/umbrelladocs-action-linkspector-1.x

Bump umbrelladocs/action-linkspector action to v1.5.4

Author: uhafner

.github/workflows/check-md-links.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: umbrelladocs/action-linkspector@v1.5.1
+      - uses: umbrelladocs/action-linkspector@v1.5.4
         with:
           github_token: ${{ secrets.github_token }}
           reporter: github-pr-check