bots: Apply dnsmasq SELinux denial to rhel-x as well
bots: Apply dnsmasq SELinux denial to rhel-x as well

Observed in `check-networking-settings TestNetworking.testOtherSettings`
failure.

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