[vala] (5 commits) Non-fast-forward update to branch wip/issue/987

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/issue/987' 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:

  aca11eb... parser: Avoid mitigation for missing token if it follows DO

Commits added to the branch:

  0d80b5a... vala: Use available CodeContext instance for VersionAttribu (*)
  893033e... girparser: Actually respect given cprefix metadata for enum (*)
  6485bca... gtk4: Prefix value names of PaintableFlags with "STATIC_" (*)
  68db26a... codegen: Cast initializer-list to struct for non-constant/n (*)
  8edd90d... parser: Avoid mitigation for missing token if it follows DO

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