gitlab CI: move the MR check to new, final, "gitlab" stage
The initial check happens too quickly so it's quite hard to file an MR before the MR check job runs in the CI. Delay this a bit by moving it to the last stage.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
The initial check happens too quickly so it's quite hard to file an MR before the MR check job runs in the CI. Delay this a bit by moving it to the last stage.