[vala] (12 commits) Non-fast-forward update to branch wip/gsl

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/gsl' 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:

  0cdce07... gsl: Add BLAS module

Commits added to the branch:

  256f63d... webkit2gtk-4.0: Update to 2.31.91 (*)
  fb6c38e... gtk4: Update to 4.1.2 (*)
  68bc3d0... gstreamer: Update from 1.19.0+ git master (*)
  9dc7fb9... girparser: Handle empty "<type/>" element and report an err (*)
  cc14f00... gtk4-unix-print: Switch to gir (*)
  4a1922d... codegen: Include "glib.h" for deprecated symbols (GOBJECT) (*)
  c7d99ed... girparser: Add support for NoWrapper metadata for methods (*)
  26fe4c9... gio-2.0: Add some missing NoWrapper and CCode.has_typedef a (*)
  3c474cb... vapi: Fix a couple of attribute typos (*)
  99ffbdf... vala: Check for unused attributes unconditionally (*)
  e7e42c6... Release 0.52.0 (*)
  6e5b14b... gsl: Add BLAS module

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