[vala] (13 commits) Non-fast-forward update to branch wip/meson

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/meson' 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:

  cb12859... meson: Add initial build support
  07722c1... WIP meson: Add tests
  c06633b... WIP meson: Add vapi building
  406650b... WIP meson: Add internal-api-docs
  b79b5f7... WIP meson: Add meson-bootstrap.sh
  4f19dbc... Meson: implemented bootstrap build
  12269b6... meson: Fixed build without bootstrap
  af8b540... meson: fix warnings with doc generation

Commits added to the branch:

  0d0e39b... girwriter: Write implicit parameters and properties for gen (*)
  23a8257... girwriter: Write implicit fields for arrays and delegates (*)
  3af1cfb... codegen: Support GObject properties with nullable GType-bas (*)
  59eea90... girparser: Add support for string "ctype" metadata (*)
  14ea933... codegen: Always use G_TYPE_CHECK_INSTANCE_TYPE for external (*)
  5f979d8... gtk4: Update to 3.96.0+6a27fe15 (*)
  f7f5053... gstreamer: Update from 1.17.0+ git master (*)
  12123d2... vapi: Update GIR-based bindings (*)
  2b5ac9d... meson: Add initial build support
  c2a03e3... WIP meson: Add tests
  ec7d1aa... WIP meson: Add vapi building
  4bcf01e... WIP meson: Add internal-api-docs
  3480b2e... WIP meson: Add meson-bootstrap.sh

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