[gjs] (8 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:

  112cbf9... js: Root gjs_string_from_utf8()
  383457b... js: Remove most of JS_Add*Root and JS_Remove*Root
  3fabd81... test: Fix use after free
  4ec4f65... jsapi-util: Rooting-safe gjs_parse_call_args()
  f2c1800... tests: Consolidate fixture code
  f5997b2... WIP - js: Root gjs_object_get_property_const()
  88b777a... context: Store global object as JS::Heap

Commits added to the branch:

  caf4d4b... test: Fix use after free (*)
  96f8a01... arg: Support gunichar-valued arrays (*)
  4e182b8... js: Root gjs_string_from_utf8()
  bc0471d... js: Remove most of JS_Add*Root and JS_Remove*Root
  30e41fb... jsapi-util: Rooting-safe gjs_parse_call_args()
  c9d0261... tests: Consolidate fixture code
  a9d2d61... WIP - js: Root gjs_object_get_property_const()
  8b987ea... context: Store global object as JS::Heap

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