WIP: ci: merge meson jobs
This gets us down to only 5 meson jobs, shaving off another 30% off of the pipeline duration!
Combined with !414 (merged), this means:
- 5 meson jobs
- 3 scons jobs
- 1 autotools job
Hopefully the CI will now be small & fast enough for everyone :)
/cc @anholt
Edited by Eric Engestrom