[gtk] (38 commits) Non-fast-forward update to branch wip/hadess/portal-select-folders

[Bastien Nocera <hadess src gnome org>]

The branch 'wip/hadess/portal-select-folders' 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:

  d8c7ed0... filechoosernativeportal: Allowing selecting folder(s)

Commits added to the branch:

  822705f... gkimmulticontext: Fix crash due to leaked signal handler (*)
  e618a49... document font-feature-settings CSS property (*)
  82b9be3... theme: use tabular figures where appropriate (*)
  14dba95... ci: Build both static and shared libraries at once (*)
  8685538... ci: Backport the changes to the Docker script (*)
  e5be27f... ci: Add a Debian-based image (*)
  b68dde9... ci: Add a Debian build (*)
  f699a29... ci: Build API reference separately (*)
  7687f9a... docs: Remove redundant gtk-doc stanza (*)
  7c23119... Use ifdef when checking G_ENABLE_DEBUG (*)
  c08908b... Fix build when G_ENABLE_DEBUG is undefined (*)
  1b255dd... Handle a missing enumeration value (*)
  db1be15... Silence compiler warnings in release builds (*)
  b4808c1... Silence a compiler warning (*)
  aac214f... testsuite/gtk: Add xfail tests (*)
  41330b6... testsuite: Handle icontheme test better (*)
  8b5c8a2... Merge branch 'ci-gtk3-update' into 'gtk-3-24' (*)
  88e7164... Merge branch 'tnum-gtk-3-doc' into 'gtk-3-24' (*)
  3c28751... imwayland: Honour len argument in gtk_im_context_wayland_se (*)
  d293130... Merge branch 'respect-text-len' into 'gtk-3-24' (*)
  71bdf20... Adwaita: dark switches/check/radios (*)
  5be08a4... Adwaita: dark switches/check/radios (*)
  965a85a... imwayland: Fix typo in code (*)
  e77139c... Merge branch 'wip/carlosg/fix-surrounding-text' into 'gtk-3 (*)
  4f0842c... texttagtable: move private functions to gtktexttagtablepriv (*)
  2aba6f0... texttag: avoid use of g_signal_emit_by_name() (*)
  9fc7c3b... textbtree: short-circuit visibility check when possible (*)
  9944d66... Merge branch 'wip/chergert/gtk3-speedup-char_is_invisible'  (*)
  837febc... Update Lithuanian translation (*)
  2647dc1... Merge branch 'imm-context-use-after-free' into 'gtk-3-24' (*)
  72689c5... Merge branch 'adwaita-tnum' into 'gtk-3-24' (*)
  46b9241... Define begin_move_drag (*)
  7f5fd67... Merge branch 'wip/albfan/protect-begin_move_drag' into 'gtk (*)
  7b1b3fa... colorpickerportal: Use convenience function to fetch uint
  4c71bf7... colorpickerportal: Simplify portal version fetching
  f70f2d7... colorpickerportal: Don't throw warnings on missing version
  93ab478... Add portal version checking helper
  35fec1c... filechoosernativeportal: Allowing selecting folder(s)

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