[gimp] (15 commits) Non-fast-forward update to branch wip/nielsdg/propswitch

[Jehan <jehanp src gnome org>]

The branch 'wip/nielsdg/propswitch' 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:

  8ce55fd... propwidget: Add gimp_prop_switch_new()

Commits added to the branch:

  6c8cadf... Update Romanian translation (*)
  5092a32... gimpparamspecs: Add GIR annotations (*)
  c69467b... Update Polish translation (*)
  b56f5eb... po-windows-installer: fix unsupported chars in Japanese tra (*)
  0c06c24... build: add Japanese translation to the Windows installer (*)
  bd6e870... Update Japanese translation (*)
  5b100f5... Update Japanese translation (*)
  6fa34df... Update Japanese translation (*)
  5e504bc... Update Japanese translation (*)
  529471e... meson, autotools, app: depend on babl-0.1.78 (*)
  14765e7... meson, autotools, app: depend on GEGL 0.4.24 (*)
  3c0867b... Add the list of changes in 2.10.20 to the appdata (*)
  f67822c... Update Ukrainian translation (*)
  478b733... Update Japanese translation (*)
  c77a75a... propwidget: Add gimp_prop_switch_new()

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