[gjs] (4 commits) Non-fast-forward update to branch wip/ptomato/mozjs31prep

[Philip Chimento <pchimento src gnome org>]

The branch 'wip/ptomato/mozjs31prep' 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:

  e6b212c... WIP - Root gjs_string_from_utf8()
  2c7fecc... WIP - First sketch of rooted gjs_parse_call_args()

Commits added to the branch:

  0242170... doc: Refer to JS::PersistentRooted
  baecf01... js: Root gjs_string_from_utf8()
  13a418a... js: Remove most of JS_Add*Root and JS_Remove*Root
  867a868... WIP - first sketch of rooted gjs_parse_call_args()