Downgrade Quarkus to 1.4.2.Final.

MulkCMS 2 is currently suffering from
https://github.com/quarkusio/quarkus/issues/9961, which prevents the
post editor from working.  Quarkus 1.4.2.Final works.

Change-Id: I6514b589bb6e0c7a8fc8ebf243ab14227cb42338
1 file changed