ci: fix "fedora-breaking-changes-meson" job

The "fedora-breaking-changes-meson" job exercises Git with breaking
changes enabled on Fedora with Meson. There's a typo in our CI scripts
though, which has the effect that the build does not enable breaking
changes by accident.

Fix the typo.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

ci/run-build-and-tests.sh

@@ -18,7 +18,7 @@ almalinux-*|debian-*|fedora-*|linux-*)
 esac
 
 case "$jobname" in
-fedora-breaking-changes-musl|linux-breaking-changes)
+fedora-breaking-changes-meson|linux-breaking-changes)
 	export WITH_BREAKING_CHANGES=YesPlease
 	MESONFLAGS="$MESONFLAGS -Dbreaking_changes=true"
 	;;