[gtk] (8 commits) Non-fast-forward update to branch wip/nirbheek/gtk-3-24-meson

[Nirbheek Chauhan <nirbheekc src gnome org>]

The branch 'wip/nirbheek/gtk-3-24-meson' 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:

  8b45cea... Temporarily disable CI to avoid using up jobs
  37d554c... meson: Set the compatibility version correctly on macOS
  eb62f35... meson: Add fallback subprojects for more dependencies
  af39383... gtk: Fix compiler warning about deprecated declaration
  78ecbc3... meson: Disable discarded-qualifiers warning
  139ee9c... meson: Don't target gnu89 as the c_std
  a6b490c... meson: Fix introspection generation on Linux
  b285351... meson: Cleanup tests and gdk testsuite

Commits added to the branch:

  588f17f... meson: Set the compatibility version correctly on macOS
  4b1731a... meson: Add fallback subprojects for more dependencies
  b8f4d06... gtk: Fix compiler warning about deprecated declaration
  0febfff... meson: Disable discarded-qualifiers warning
  45de476... meson: Don't target gnu89 as the c_std
  a6b428f... meson: Fix introspection generation on Linux
  9c48b6d... meson: Cleanup tests and gdk testsuite
  1f7e221... meson: Add wrap files for building with subprojects