[gtk] (14 commits) Non-fast-forward update to branch introspection-test

[Matthias Clasen <matthiasc src gnome org>]

The branch 'introspection-test' 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:

  ba9827f... Add an introspection api test
  d4887ef... ci: Add pygobject to the image

Commits added to the branch:

  24072f2... ci: Update the image to Fedora 34 (*)
  014fb41... Help the compiler out (*)
  3591da5... Disable another font-challenged reftest (*)
  e40c869... gdk/wayland: Take transform into account when setting physi (*)
  d8f44c0... ci: Add MSVC build (*)
  ab725b4... Merge branch 'wl-phys-transform' into 'master' (*)
  bafa23f... Add debug spew to gdk tests (*)
  de056a3... ci: Show OS release for our containers (*)
  399fb76... ci: Add pygobject to the images (*)
  f4dc24c... Meson: gdk-pixbuf jpeg/png options changed to feature (*)
  930ff49... Confine -mf16c to a single source file (*)
  d143f76... Merge branch 'msvc-ci' into 'master' (*)
  c8eeb46... Merge branch 'update-ci-to-f34' into 'master' (*)
  6a24e0c... Add an introspection api test

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