Modernize Gitlab CI

I'm not sure why there is a DB error. Why are we installing a custom mariadb service? Help wanted.

Dont the clients need some custom php extension and such? I dont see that in the old template so have not dealt with that in this MR.

Thanks for starting this. I think i just had to copy the existing MariaDB service because it isn't merged.

Fixed the DB issue. The sole remaining issue is a build failure on D9+Relay. Oddly, D10+Relay is passing.

I can turn on PHPCS if you wish. It only gives warnings and never fails the build, by default.

yeah, fine to enable phpcs, not sure why I disabled it, maybe it was failing before?

> W: GPG error: https://dl.yarnpkg.com/debian stable InRelease: The following signatures were invalid: EXPKEYSIG 23E7166788B63E1E Yarn Packaging
E: The repository 'https://dl.yarnpkg.com/debian stable InRelease' is not signed.

Looks like there is a problem with apt on the old php 7.4 containers? I know those are very old, they also have ancient composer versions that are causing issues.

I'm fine with dropping D9 testing, EOL is about a month or so at this point, I don't really care about that anymore. We could still set up a scheduled or manual run for that with variables if necessary.

Removed D9 testing. Cleaned console output.

Thanks, merged.

Automatically closed - issue fixed for 2 weeks with no activity.