chore(deps): update renovatebot/github-action action to v42.0.4 (#768)

Co-authored-by: Renovate Bot <[email protected]>

Author: stackit-pipeline

.github/workflows/renovate.yaml

@@ -13,7 +13,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Self-hosted Renovate
-        uses: renovatebot/[email protected].3
+        uses: renovatebot/[email protected].4
         with:
           configurationFile: .github/renovate.json
           token: ${{ secrets.RENOVATE_TOKEN }}