[gjs] (7 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:

  4e182b8... js: Root gjs_string_from_utf8()
  bc0471d... js: Remove most of JS_Add*Root and JS_Remove*Root
  3719927... jsapi-util: Rooting-safe gjs_parse_call_args()
  4eecb1c... tests: Consolidate fixture code
  7e1b121... WIP - js: Root gjs_object_get_property_const()
  dcee28d... context: Store global object as JS::Heap
  da7444b... WIP - Root importer.cpp

Commits added to the branch:

  c2b5c3d... js: Root gjs_string_from_utf8()
  16c6e14... js: Remove most of JS_Add*Root and JS_Remove*Root
  11d96aa... jsapi-util: Rooting-safe gjs_parse_call_args()
  469c722... tests: Consolidate fixture code
  d31bda0... WIP - js: Root gjs_object_get_property_const()
  4d71347... context: Store global object as JS::Heap
  e91a53c... WIP - Root importer.cpp