[vala] (25 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:

  b85c38d... meson: Add initial build support
  eb6e370... meson: Allow static builds
  f775879... WIP meson: Add tests
  2d5f76f... WIP meson: Add internal-api-docs
  e107df4... WIP meson: Add meson-bootstrap.sh

Commits added to the branch:

  e66d219... Revert "glib-2.0: Map given end == 0 for string.slice/splic (*)
  18847c9... codegen: Dup arrays only if length > 0, this consistently r (*)
  6312d8c... tests: Extend "s[p]lice" tests to increase coverage (*)
  6edde4b... parser: Map empty start/end index to 0/length for slice exp (*)
  a2903dc... Revert "codegen: Dup arrays only if length > 0, this consis (*)
  4867976... codegen: Improve array-dup-wrapper for empty arrays (*)
  120f54f... vala: Improve source documentation (*)
  ed320c6... vala: Add InvalidExpression as replacement for erroneous no (*)
  35f72f3... Add support for "with" statement (*)
  f6f73ee... codegen: Don't call get_ccode_finish_instance() with non-as (*)
  fda8ad4... vala: Fix typo in comments (*)
  c404afa... vala: Correctly handle qualified struct type reference in i (*)
  0ef0911... glib-2.0,gobject-2.0: Add new symbols from 2.66 (*)
  839bc4f... vapi: Update GIR-based bindings (*)
  cb56688... gstreamer: Update from 1.17.0+ git master (*)
  8c801ba... pango: Update from 1.45.1 (*)
  96c9e8f... gstreamer-audio-1.0: Adjustments for Gst.Audio.Sink class e (*)
  43f3e2c... codegen: Add implicit parameter and instance checks in asyn (*)
  ad73966... gtk4: Update to 3.98.5+d2235b71 (*)
  bfaa68d... girwriter: Append symbol-attributes to callback field rathe (*)
  80c40ea... meson: Add initial build support
  52f9797... meson: Allow static builds
  16ab946... WIP meson: Add tests
  3f1c7d4... WIP meson: Add internal-api-docs
  7264511... WIP meson: Add meson-bootstrap.sh

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