[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:

  2009565... js: Switch to JSNative property accessors
  ab4a675... doc: Refer to JS::PersistentRooted
  75c4b72... js: Root gjs_string_from_utf8()
  f43953d... js: Remove most of JS_Add*Root and JS_Remove*Root
  0e9c3cc... test: Fix use after free
  b30a22b... jsapi-util: Rooting-safe gjs_parse_call_args()
  556d5c2... tests: Consolidate fixture code

Commits added to the branch:

  a39c5dc... js: Switch to JSNative property accessors
  26ae1b5... doc: Refer to JS::PersistentRooted
  b25525c... js: Root gjs_string_from_utf8()
  7144c5c... js: Remove most of JS_Add*Root and JS_Remove*Root
  5ea8ae8... test: Fix use after free
  127eec9... jsapi-util: Rooting-safe gjs_parse_call_args()
  6702f7f... tests: Consolidate fixture code