circleci: use fedora-latest, not rawhide
circleci: use fedora-latest, not rawhide

Otherwise we get build errors when rawhide is broken, like today. Not worth
chasing that moving target.

Signed-off-by: Peter Hutterer <b9c50af7afa7642f6f854434cda9ffe54ece8b85@who-t.net>

whot/libratbag,libratbag/libratbag,libratbag/libratbag,whot/libratbag,libratbag/libratbag,whot/libratbag