[glib/glib-2-64] (10 commits) ...Merge branch 'backport-1544-spawn-async-signal-safety-glib-2-64' into 'glib-2-64'

[Sebastian Dröge <sdroege src gnome org>]

Summary of changes:

  aae98ce... tree: Fix various ableist language
  92eac2f... gspawn: Audit for async-signal-safety
  539d518... gspawn: Don’t use g_close() in async-signal-safe context
  d24acc7... gspawn: Don’t use g_ascii_isdigit() in async-signal-safe 
  923315e... gspawn: Don’t use g_assert() in async-signal-safe context
  45b8e60... gspawn: Don’t use getrlimit() or sysconf() in async-signa
  3548996... gspawn: Don’t use getenv() in async-signal-safe context
  cc8715c... gspawn: Don’t use malloc() when searching for a binary
  f99f0c2... gspawn: Don’t use malloc() when running a binary under /b
  d0e54ef... Merge branch 'backport-1544-spawn-async-signal-safety-glib-