[gjs] (6 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:

  f1641f0... js: Rooted objects in private access functions
  6e0a362... js: Replace JS_ValueTo...() with JS::To...()
  ba99733... js: Deprecate GJS rooted value arrays
  551d6d1... WIP - Replace JS_ValueToInt32 - buggy

Commits added to the branch:

  538a7c3... build: Modernize autogen.sh (*)
  46686ba... build: Use AX_CODE_COVERAGE macro (*)
  2377ea1... js: Replace JS_ValueTo...() with JS::To...() (*)
  d7c6afd... js: Replace JS_ValueToInt32 and gjs_value_to_int64
  09da668... js: Rooted objects in private access functions
  7691f50... js: Deprecate GJS rooted value arrays

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