[vala] (18 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:

  267ee88... meson: Add initial build support
  3554b69... WIP meson: Add tests
  0607a7f... WIP meson: Add internal-api-docs
  f0e0d5e... WIP meson: Add meson-bootstrap.sh

Commits added to the branch:

  8a8db31... girwriter: Add readable="0"/private="1" attribute to type-s (*)
  7cb3a3f... girwriter: Fix position of priv field (--abi-stability) (*)
  8e908c0... codegen: G_DEFINE_AUTOPTR_CLEANUP_FUNC must not declared mo (*)
  988e77e... vala: Improve error reporting for invalid interface prerequ (*)
  9404890... tests: Add invalid "multiple base classes" tests to increas (*)
  a06892e... codegen: Make type-parameter properties readable (*)
  d14248f... vala: Add GenericType.dup/destroy fields (*)
  984c034... vala: Write value of constants/enums in fast-vapi if they a (*)
  47e0679... vala: Don't mark method as used on recursive usage of itsel (*)
  103da8b... gio-2.0: Use custom TaskReadyCallback delegate in Task.repo (*)
  efe38fd... g-i: Calculate size correctly, avoid use-after-free (*)
  ab71791... g-i: Avoid use of uninitialized "markup" warning (*)
  62c964d... g-i: Ignore flags like -mfpmath=sse, -msse or -msse2 (*)
  7c36778... gtk4,gtk4-unix-print: Update to 3.96.0+fbea677a (*)
  1fbf5bb... meson: Add initial build support
  be34792... WIP meson: Add tests
  2412c97... WIP meson: Add internal-api-docs
  5c0d746... WIP meson: Add meson-bootstrap.sh

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