[gnome-desktop] (47 commits) Non-fast-forward update to branch wip/hadess/revert-filename-leak

[Michael Catanzaro <mcatanzaro src gnome org>]

The branch 'wip/hadess/revert-filename-leak' 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:

  6bb71e2... Revert "thumbnails: keep the orignal file name"

Commits added to the branch:

  41522ca... 41.1 (*)
  901513d... gnome-languages: Fix translation of 3-letter codes (*)
  9afdba1... Add Abkhazian translation (*)
  7f1c365... Drop unnecessary include (*)
  cf27647... Replace deprecated use of GTimeVal (*)
  a2a5b10... build: Quiet the introspection scanner (*)
  3a6d839... build: Require a more recent version of Meson (*)
  2fa71b1... build: Use non-deprecated methods (*)
  931cc88... Remove use of GTimeVal (*)
  fc410c0... Avoid using deprecated GLib API (*)
  935ee8d... Remove unnecessary include to GDK (*)
  056aa4e... build: Use idiomatic Meson (*)
  81e5d43... tests: Ignore deprecated API (*)
  7067fc5... Remove invalid gtk-doc marker (*)
  760a975... Add libgnome-desktop-4 (*)
  b57f269... build: Rename gtk_dep to gtk3_dep (*)
  7c51cdc... Use the C type for the element-type annotation (*)
  b8464ec... Add libgnome-desktop-ui-4 (*)
  bd7426d... Remove unused GnomeRRScreenPrivate field (*)
  7c95b7b... build: Split libgnome-desktop-ui-4 into two (*)
  c2c7414... Port gnome-bg and gnome-rr to GTK4 (*)
  5ea55a8... Enable optional building of GTK4 libraries (*)
  3fedfab... build: Allow disabling the legacy libgnome-desktop-3.0 (*)
  ead99fd... build: Add configuration summary (*)
  64b0e55... ci: Do not build GTK4 libraries on fedora:34 (*)
  6c5ba81... Update POTFILES.in (*)
  8e0f783... Refactor gnome-gettext-portable.h (*)
  d6e9c06... po: Add L_ to the xgettext keywords (*)
  8b24705... po: Remove old Autotools file (*)
  aabf456... Update Icelandic translation (*)
  f18dee1... systemd: Avoid unused function warning when disabled (*)
  80138c3... ci: update to f35 and build gtk4 (*)
  9afa21f... 42.alpha (*)
  9cebf90... Use fedora:latest for CI image (*)
  e982dc2... build: fix soversion in libgnome-desktop-4 (*)
  f4d96fb... 42.alpha.1 (*)
  f40104e... Add Santali translation (*)
  7581f12... Make table:cangjie5 the default input method for zh_HK (*)
  eb5d2b9... Add ASYNC methods for thumbnail creation (*)
  fbb3e9d... thumbnail: Resolve symlinks before exporting them with Flat (*)
  2657b9a... Release 42.beta (*)
  cffdc4b... Update Russian translation (*)
  8bfcbe2... Update Croatian translation (*)
  634b66d... Update Persian translation (*)
  ecc0140... 42.rc (*)
  1bf4f98... Include a #define with PLATFORM version (*)
  d05aa99... Revert "thumbnails: keep the orignal file name"

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