Add workflows permission for Renovate

Author: dschwartznyc

.github/workflows/renovate.yml

@@ -20,6 +20,7 @@ jobs:
       pull-requests: write     # open/update PRs
       issues: write            # create/update Dependency Dashboard issue
       security-events: read    # read Dependabot vulnerability alerts
+      workflows: write
     steps:
       # Checks out the repository under $GITHUB_WORKSPACE
       - uses: actions/checkout@v5