[vala] (5 commits) Non-fast-forward update to branch staging

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'staging' 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:

  8dd22ac... vala: Preserve the source reference when resolving data typ
  e62bb42... vala: Set source references of created DataType instances i
  edcf8e7... vala: Drop RealLiteral.get_type_name()
  c5c59be... Set TypeParameter as symbol of GenericType
  64293c9... glib-2.0: Add Unicode 14.0 symbols

Commits added to the branch:

  9bd69d2... vala: Preserve the source reference when resolving data typ
  ce15989... vala: Set source references of created DataType instances i
  76a08b8... vala: Drop RealLiteral.get_type_name()
  b60266e... Set TypeParameter as symbol of GenericType
  0b3c86e... glib-2.0: Add Unicode 14.0 symbols