editors/emacs-devel: Update to 2023-07-03 snapshot, 32b092c

Native compilation has been put through the paces over the past few
years and is included in Emacs 28, so remove the "Experimental" label.
Also, specify ahead-of-time compilation via the configure argument.

Changes: https://github.com/emacs-mirror/emacs/compare/8657afa...9b9dcc1
Reviewed by: emacs (ashish, yasu)
Sponsored by: The FreeBSD Foundation