*/*: Chase editors/emacs update
- Bump Emacs version in Mk/Uses/emacs.mk to update version-specific paths
- Bump PORTREVISION of ports with USES=emacs. This is required for two reasons. Emacs lisp files need to be byte compiled for the new Emacs version, and files installed under, e.g., EMACS_VERSION_SITE_LISPDIR need to be relocated.
Reviewed by: ashish
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D43615
(cherry picked from commit ab463bdca9c29ec22be0c7e6d7aa27bb2a980b48)