mkosi: always install util-linux-script in Fedora
F41 is EOL, so we can unconditionally install this package, so that we
don't have to add a new version every time a new release is branched
Fixes test issues such as:
TEST-74-AUX-UTILS.sh[1363]: .//usr/lib/systemd/tests/testdata/units/TEST-74-AUX-UTILS.networkctl.sh: line 55: script: command not found
(cherry picked from commit
8fe50c025b36da43c1e95343d3cc08dd757b1cad)
(cherry picked from commit
6ea11208c6e6e959054eaf313dc10f40d7c8a181)
(cherry picked from commit
40482d0a3f3e129d10041ba255a6997ba400dc0f)