[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:

  9568f80... object: Use JS::Heap for GObject-JSObject weak ref
  b5d0bae... js: Root misc fundamental, param, repo, union
  f5b56d0... js: Root gjs_value_to_g_value()
  f1eb421... cairo: Root gjs_cairo_image_surface_init()
  28bf1e6... js: Root misc functions
  d33b10b... test: Root misc functions in tests
  7fd3971... js: Don't pass JSPROP_READONLY to JS_PSG

Commits added to the branch:

  18b4117... js: Root misc fundamental, param, repo, union (*)
  8f3e64b... js: Root gjs_value_to_g_value() (*)
  63aee3c... cairo: Root gjs_cairo_image_surface_init() (*)
  cc03bc8... js: Root misc functions (*)
  fbb3c18... test: Root misc functions in tests (*)
  19b2f46... js: Don't pass JSPROP_READONLY to JS_PSG (*)
  6741009... object: Use JS::Heap for GObject-JSObject weak ref

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