SCons: Disable `-Werror=return-type` for GCC 12+ due to regression
SCons: Disable `-Werror=return-type` for GCC 12+ due to regression

Works around and thus closes #58747.
Supersedes #60613.

(cherry picked from commit 01f8f17b67eb3ebbde5489eb6ee96d332e368d14)

ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot