[mutter] (3 commits) Non-fast-forward update to branch wip/3v1n0/ci-norebuilds

[Marco Trevisan <marcotrevi src gnome org>]

The branch 'wip/3v1n0/ci-norebuilds' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  c2b8ee1... meson: Fix map files and load them to hide private symbols
  6356866... meson: Set proper soversion and version to libraries
  8497c68... meson: Hide symbols by default in clutter
  f56bd64... meson: Set cogl as dependency of libmutter-cogl dependency
  f7c5014... meson: Don't list libraries private dependencies in pc file
  484e476... MonitorManager: use composition instead of inheriting from 
  930d479... meta: Hide libmutter symbols by default and selectively exp
  b837c4a... Don't rebuild tests

Commits added to the branch:

  562cf14... core: Fix compiler warning (*)
  d0a3554... gitlab-ci: use artifacts to keep built data and reuse in te
  b62f1b3... gitlab-ci: use runtime dir owned only by current user

(*) This commit already existed in another branch; no separate mail sent