Ensure pipelines run for 13.9.0-rc43

The last commit synced to this repository includes the "ci skip" tag,
preventing tag pipelines from running. To ensure these pipelines do run,
we create this commit. This normally is only necessary if a Merge Train
sync didn't introduce any new changes.

For more information, refer to issue
https://gitlab.com/gitlab-com/gl-infra/delivery/-/issues/1355.