[vala] (29 commits) Non-fast-forward update to branch wip/defines

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/defines' 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:

  02fa01e... ccode: Rename CCodeFeatureTestMacro to CCodeDefine and gene
  edfda5d... Support `define' expressions in global scope of source file

Commits added to the branch:

  5a5da40... vte-2.90: Mark as deprecated, it was replaced by vte-2.91 (*)
  f3b5ce8... glib-2.0: Add string.validate_len() since 2.60 (*)
  a1f23d3... libvaladoc: Don't try to create a Content.ListItem when the (*)
  cbada43... libgvc: Some additions and ownership/return-type fixes (*)
  d571747... gstreamer: Update from 1.15.2+ git master (*)
  a6c1648... gtk4: Update to 3.94.0+f14d998c (*)
  499fdf7... vapi: Update GIR-based bindings (*)
  cc9ab83... Release 0.44.1 (*)
  8106f17... Bump version suffix to 0.46 (*)
  1229ead... Require and target GLib >= 2.48 (*)
  f4b86c1... vala: Add support for --target-glib=auto (*)
  2caef4f... vala: Report error for public creation methods of abstract  (*)
  d19187f... vala: Report error for yield statements without async conte (*)
  e0d8685... codegen: Handle ArrayType in visit_delete_statement() as de (*)
  1cc3f8a... vapi: Remove vte, vte-2.90 bindings (*)
  254a253... vapi: Rename graphene-1.0 to graphene-gobject-1.0 (*)
  4bcd543... vala: Variadic parameters are not supported for async metho (*)
  cc034f3... codegen: Move and make a few methods to static functions (*)
  2511490... glib-2.0: Don't annotate dedicated GLib.assert_*() function (*)
  f5a2813... codegen: No need to retrieve CodeContext.save_csources insi (*)
  67a8ac1... vala: Add CodeContext.get_source_file() and perform some sa (*)
  f9bae0e... vala: Bump implicit target-glib to 2.48 (*)
  4b00344... tests: Add some invalid "array slice" tests to increase cov (*)
  12957d1... tests: Add a field starting with a digit test (*)
  230cd35... tests: Add more invalid "assignment" tests to increase cove (*)
  7584b13... ccode: Rename CCodeFeatureTestMacro to CCodeDefine and gene (*)
  9a9ffd7... codegen: Move get_type_signature() to DataType (*)
  5baacba... codegen: Move try_cast_variant_to_type() to GVariantModule. (*)
  9c68b54... Support `define' expressions in global scope of source file

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