[gtksourceview] (10 commits) Non-fast-forward update to branch wip/chergert/hoverers

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/hoverers' 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:

  0e6f284... wip on hover providers
  3ea68ef... wire hover into sourceview widget
  4779780... completion: cleanup destruction of assistant
  3958748... more wip on hover

Commits added to the branch:

  2c21444... Meson: Stop using extract_all_objects() (*)
  11baae9... Meson: Respect --default-library option (*)
  6b5a7eb... Meson: Fix pkg-config file when a dependencies is a subproj (*)
  69c8c6b... Merge branch 'meson' into 'master' (*)
  d8ba9e4... meson: Use a feature option for introspection (*)
  8a31900... meson: Add fallback for pcre2 and xml2 (*)
  fda2f91... Merge branch 'meson-fallbacks' into 'master' (*)
  dd829d2... php.lang: dd new PHP 8 functions (*)
  ad535ed... completion: cleanup destruction of assistant
  4d5e18c... wip on hover providers

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