docs(readme): clarify token usage in releases sync action

- Add a comment to explain the token's purpose for better clarity
- Helps future maintainers understand the context of the token usage

README.md

@@ -23,7 +23,7 @@ jobs:
       - name: Run Releases Sync Action
         uses: https://git.0xmax42.io/actions/releases-sync@main
         with:
-          gitea_token: ${{ ACTIONS_RUNTIME_TOKEN }}
+          gitea_token: ${{ ACTIONS_RUNTIME_TOKEN }} #  ${{ secrets.RELEASE_PUBLISH_TOKEN }}
           gitea_url: https://git.0xmax42.io
           gitea_owner: maxp
           gitea_repo: ait