[gspell] (11 commits) Non-fast-forward update to branch wip/gtk4

[Timm Bäder <baedert 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:

  88c9321... Build against gtk4
  103b5a8... Remove gtk_widget_show_all calls
  678c355... Remove arguments from gtk_init
  1ec0628... ui: Remove old GtkBox child properties
  7cd8263... Adapt to GdkEvent API changes
  047ac9f... gspell-app: Adapt to gtk4 API changes
  cb76946... button-press-event -> GtkGesture conversion

Commits added to the branch:

  1fd41a4... Add British English translation (*)
  55c2936... Update Finnish translation (*)
  28cd494... Release 1.8.0 (*)
  b82a33c... Post-release version bump (*)
  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

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