[vala] (21 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:

  b632caa... meson: Add initial build support
  4982748... meson: Allow static builds
  a7e56b7... meson: Compile everything with stricter cflags
  d22b14b... WIP meson: Add tests
  e029b7c... WIP meson: Add internal-api-docs
  05e61f6... Pass LD_LIBRARY_PATH as "env" where needed
  d2e2a2a... Broken evaluation of "Requires.private: gmodule-no-export-2
  8d277ef... WIP meson: Add meson-bootstrap.sh

Commits added to the branch:

  30a1d3a... gstreamer: Update from 1.19.3+ git master (*)
  176ffbf... gstreamer-base-1.0: Some parameter fixes (*)
  7210245... genie: Accept accessibility and async modifiers on "constru (*)
  6bf651d... ccode: Fix CCodeUnaryExpression.write() for PREFIX_INCREMEN (*)
  a85ec57... vala: Add [Profile] as known attribute for methods (*)
  0f493a1... tests: Add [Profile] method test to increase coverage (*)
  5f41346... tests/girwriter: Increase coverage (*)
  3e650c1... tests: Add runtime checks to signals tests and increase cov (*)
  56bc688... vala: Report error on missing gio-2.0 package for async con (*)
  0a59efb... vala: Fix signals with generic return (*)
  6783dba... build: Add "test-update" which passed UPDATE_EXPECTED=1 to  (*)
  3ec2760... webkit2gtk-*.0: Update to 2.35.1 (*)
  a44117b... tests: Rename colliding test cases to avoid conflicts (*)
  d8277bb... meson: Add initial build support
  8472c04... meson: Allow static builds
  323491a... meson: Compile everything with stricter cflags
  ec1a372... WIP meson: Add tests
  deef127... WIP meson: Add internal-api-docs
  3c60d45... Pass LD_LIBRARY_PATH as "env" where needed
  07ec0d1... Broken evaluation of "Requires.private: gmodule-no-export-2
  f022d9e... WIP meson: Add meson-bootstrap.sh

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