Backport of "glib: Ship Windows process spawning helpers" into 1.20
requested to merge tpm/cerbero:backport-mr-1177-into-1.20-glib-windows-process-spawn-helpers into 1.20
Backport of !1177 (merged) "glib: Ship Windows process spawning helpers".
Commits:
- 7efc0562 glib: Ship Windows process spawning helpers