test: Introduce check with nightly dnf
test: Introduce check with nightly dnf

Closes #14664

cockpit-project/cockpit,deryni/cockpit,martinpitt/cockpit,deryni/cockpit,moraleslazaro/cockpit,martinpitt/cockpit,mvollmer/cockpit,deryni/cockpit,mvollmer/cockpit,garrett/cockpit,cockpit-project/cockpit,garrett/cockpit,moraleslazaro/cockpit,deryni/cockpit,mvollmer/cockpit,mvollmer/cockpit,moraleslazaro/cockpit,deryni/cockpit,mvollmer/cockpit,martinpitt/cockpit,cockpit-project/cockpit,martinpitt/cockpit,deryni/cockpit,moraleslazaro/cockpit,garrett/cockpit,cockpit-project/cockpit,garrett/cockpit,cockpit-project/cockpit,deryni/cockpit,martinpitt/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,garrett/cockpit