bots: Add missing image refreshes
bots: Add missing image refreshes

Refresh candlepin, ovirt, and selenium images every three months, to
make sure they keep working.

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