[gtk-doc] (25 commits) Non-fast-forward update to branch gtk-doc-for-gtk4

[Matthias Clasen <matthiasc src gnome org>]

The branch 'gtk-doc-for-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:

  df523ba... scangobj: Introspect GTK4 actions
  f7208b3... mkdb: Generate sections for actions
  901db14... Add actions to the navigation header
  56d486e... Better index entries for actions
  5cd7fde... Add tests to mkdb.py
  d2f7f83... Don't print abstract titles
  d6e3260... Recognize the GTK variants of G_DECLARE_
  424e5c8... scan: Fix handling ignored headers
  fb7b92f... mkdb: Simplify the ignored files handling
  903926b... Bump the version
  5dfdb50... Support sub-heading in tables
  4b737b1... Turn off tests
  23cf552... css: Treat informal tables like tables
  c5dbd97... Reduce excessive tocs
  65a3c49... Bring the tocs back
  3651bf3... scangobj: Use plain C types for some types

Commits added to the branch:

  755fe09... meson: Install no-xslt variants of Autotools Makefile fragm (*)
  bc2f6aa... meson: Use the same name for the manual as in Autotools (*)
  88403fa... mkhtml2: Fix apparent typo "os.getcmd()" (*)
  4376d3c... tests: Generate gtkdocentities.xml during Meson build (*)
  5e05fdf... tests: Copy -sections.txt to build directory where needed (*)
  74c9a37... Revert "Ignore failing test swith meson for now" (*)
  08d0382... scangobj: Don't sort an absence of signals/properties (*)
  d0a6188... Merge branch 'wip/smcv/meson' into 'master' (*)
  9e7c273... Merge branch 'wip/smcv/ci-meson-tests' into 'master' (*)
  b648508... build: Distribute more files from git in official release t (*)
  864b9d7... CI: Collect logs from meson build as artifacts (*)
  2caae31... CI: Check that Meson tests can pass from an Autotools dist  (*)
  b209222... Merge branch 'wip/smcv/dist-meson-build' into 'master' (*)
  9eecdb4... Merge branch 'wip/smcv/mkhtml2-typo' into 'master' (*)
  b6fa56d... Merge branch 'wip/smcv/qsort-null' into 'master' (*)
  c755ff3... scangobj: Introspect GTK4 actions
  3dc235b... mkdb: Generate sections for actions
  6357e9f... Add actions to the navigation header
  72296f9... Better index entries for actions
  73e7fc9... Add tests to mkdb.py
  bbc5a01... Don't print abstract titles
  75b7fb7... Recognize the GTK variants of G_DECLARE_
  6b9a394... css: Treat informal tables like tables
  531cc0d... scangobj: Use plain C types for some types
  9ed9350... Updates for 1.33

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