[pygobject] (4 commits) Non-fast-forward update to branch wip/gio-async-awaitable-return

[Benjamin Berg <bberg src gnome org>]

The branch 'wip/gio-async-awaitable-return' 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:

  740a020... async: Add a new async type that is an awaitable for a _fin
  5a25292... cache: Resolve and store information about async functions
  25a310f... closure: Marshal async callback handler if a default value 
  8fc1918... invoke: Create async helper when needed and marshal it for 
  f69e8ec... fixup! async: Add a new async type that is an awaitable for
  0d4e254... fixup! cache: Resolve and store information about async fun

Commits added to the branch:

  b1bcdbb... async: Add a new async type that is an awaitable for a _fin
  69e8c9d... cache: Resolve and store information about async functions
  03717d7... closure: Marshal async callback handler if a default value 
  71f85a8... invoke: Create async helper when needed and marshal it for