[gspell] (17 commits) Non-fast-forward update to branch wip/gtk4

[Sébastien Wilmet <swilmet src gnome org>]

The branch 'wip/gtk4' 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:

  1297839... Build against gtk4
  7871635... Remove gtk_widget_show_all calls
  3dd3925... Remove arguments from gtk_init
  53b4a9e... ui: Remove old GtkBox child properties
  36f248f... Adapt to GdkEvent API changes
  0475a3e... gspell-app: Adapt to gtk4 API changes
  758facd... button-press-event -> GtkGesture conversion

Commits added to the branch:

  60d830c... Update Chinese (Taiwan) translation (*)
  15f34e3... Add Romanian translation (*)
  d08aaeb... Language: fix compil warning (-Wcast-function-type) (*)
  1857d3b... doap file: improve description (*)
  b9950a3... Move to GitLab: update URLs (*)
  ed349b7... flatpak: write some notes (*)
  2b1a985... README: some improvements (*)
  ba03499... Release 1.8.1 (*)
  26fc6cc... Post-release version bump (*)
  b2c16f7... Update Occitan translation (*)
  f2aa75f... Build against gtk4
  16efece... Remove gtk_widget_show_all calls
  0a5e048... Remove arguments from gtk_init
  faebc19... ui: Remove old GtkBox child properties
  98d80fb... Adapt to GdkEvent API changes
  77e2f76... gspell-app: Adapt to gtk4 API changes
  0310328... button-press-event -> GtkGesture conversion

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