chore(deps): update renovatebot/github-action action to v41.0.21

Author: renovateselfhost[bot]

.github/workflows/renovate.yml

@@ -27,7 +27,7 @@ jobs:
         shell: bash
 
       - name: Self-hosted Renovate
-        uses: renovatebot/[email protected].14
+        uses: renovatebot/[email protected].21
         with:
           configurationFile: renovate-self-hosted.js
           token: "${{ steps.get_token.outputs.token }}"