sysutils/libudisks: Update to 2.9.4
- consult portclippy
- switch MAINTAINER to my @f.o address
- use %%PORTVERSION%% in pkg-plist to avoid changing it on each upstream upgrade
ChangeLog:
https://github.com/storaged-project/udisks/blob/udisks-2.9.4/NEWS
PR: 267263
MFH: 2022Q4 (bugfixes)