This suddenly started. A couple of build would fail because the git submodule
checkout fails because of directory ownership issues. Hopefully this will fix
it.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Hirsute is EOL, so we need to move to Impish.
Adding Fedora 35 allows us to do a simple test against Qt 6.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>