[gtk] (25 commits) Non-fast-forward update to branch commit-docs

[Emmanuele Bassi <ebassi src gnome org>]

The branch 'commit-docs' 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:

  1c5c1ad... docs: Move commit style docs to the contribution guide

Commits added to the branch:

  6971e29... docs: Fix inclusion of source files in tutorial (*)
  aeca585... Adwaita: tone down the 'devel' styling (*)
  77c8d2d... Merge branch 'wip/jimmac/nightly-headerbar' into 'master' (*)
  a28c7e8... Merge branch 'wip/sadiq/fixes' into 'master' (*)
  4465593... gtkstack: fix null pointer dereference (*)
  e9a67cc... gdk: seal in-memory files when possible (*)
  ac97d2b... Update Esperanto translation (*)
  39843eb... Adwaita: fix devel styling for sidebar apps (*)
  99b7697... video: Add header include guard (*)
  eecd582... docs: Put subsection into right section (*)
  0657a53... inspector: Highlight CSS node on selection (*)
  66c0336... GDK W32: Support switching IM contexts at runtime (*)
  f48ed12... slicelistmodel: Fix typos in docs (*)
  8e2fb9c... docs: Update GtkSliceListModel (*)
  10fef2f... Merge branch 'win32-runtime-immodule-swap-gtk4' into 'maste (*)
  cbdb744... Updated Lithuanian translation (*)
  cbb0d7b... Merge branch 'master' into 'master' (*)
  dd69c4e... GtkBuildable: Fix the type of the user_data in GtkBuildable (*)
  1ca9060... testsuite/gtk/[flatten|sort]listmodel.c: Avoid VLA usage (*)
  cebf5ed... testsuite/gtk/filterlistmodel.c: Avoid GCCism (*)
  1ca5b41... gtkimcontextime.c: Fix Korean input (*)
  50c63fc... Merge branch 'gtkbuilder-tag-end-wrong-type' into 'master' (*)
  48e88c6... Merge branch 'file-sealing' into 'master' (*)
  6ebfbb1... docs: Move commit style docs to the contribution guide
  87236c6... docs: Make the contribution guide slightly more friendly

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