/etc/local.d/ is reserved entirely for sysadmins for usage with OpenRC.
There was an effort to move this path to *-openrc subpackages in
abuild!484, but it was stalled for this reason. As such, it makes
the most sense to disallow all files in /etc/local.d/ in packaging.
Signed-off-by: Aster Boese <asterboese@mailbox.org>
Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/8745>