[glib] (12 commits) Non-fast-forward update to branch mcatanzaro/posix-spawn2

[Michael Catanzaro <mcatanzaro src gnome org>]

The branch 'mcatanzaro/posix-spawn2' 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:

  88cd132... gspawn: use close_and_invalidate more
  e163263... gspawn: Improve error message when dup fails
  b10f6a4... gspawn: fix hangs when duping child_err_report_fd
  5826d50... gspawn: fix fd remapping conflation issue
  51631d6... gspawn: Implement fd remapping for posix_spawn codepath
  f13e861... gsubprocess: ensure we test fd remapping on the posix_spawn
  ba08175... gspawn: Check from errors from safe_dup2() and dupfd_cloexe
  9914a33... gspawn: add new error message for open() failures
  b92d7ca... Add tests for GSubprocess fd conflation issues
  8442e17... Add test for child_err_report_fd conflation with target fds

Commits added to the branch:

  3b67d53... gobject: Clarify behaviour of adding weak refs during dispo (*)
  98e0789... Merge branch 'weak-refs-docs' into 'main' (*)
  4bb612b... gspawn: use close_and_invalidate more
  b0a9af6... gspawn: Improve error message when dup fails
  22fa679... gspawn: fix hangs when duping child_err_report_fd
  5438497... gspawn: fix fd remapping conflation issue
  1d1b660... gspawn: Implement fd remapping for posix_spawn codepath
  1bb97ae... gsubprocess: ensure we test fd remapping on the posix_spawn
  7ab65c0... gspawn: Check from errors from safe_dup2() and dupfd_cloexe
  73bdc68... gspawn: add new error message for open() failures
  dfe0fb9... Add tests for GSubprocess fd conflation issues
  154144e... Add test for child_err_report_fd conflation with target fds

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