packagekit: Remove low timeouts for PackageKit DBus calls
packagekit: Remove low timeouts for PackageKit DBus calls

These fail on heavily loaded servers, as we can see during CI.

Closes #9311
martinpitt/cockpit,moraleslazaro/cockpit,cockpit-project/cockpit,moraleslazaro/cockpit,SotolitoLabs/cockpit,cockpit-project/cockpit,moraleslazaro/cockpit,garrett/cockpit,mareklibra/cockpit,mareklibra/cockpit,SotolitoLabs/cockpit,andreasn/cockpit,mvollmer/cockpit,martinpitt/cockpit,mareklibra/cockpit,moraleslazaro/cockpit,stefwalter/cockpit,garrett/cockpit,stefwalter/cockpit,martinpitt/cockpit,mareklibra/cockpit,martinpitt/cockpit,moraleslazaro/cockpit,andreasn/cockpit,cockpit-project/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,stefwalter/cockpit,mvollmer/cockpit,mareklibra/cockpit,cockpit-project/cockpit,SotolitoLabs/cockpit,deryni/cockpit,SotolitoLabs/cockpit,andreasn/cockpit,stefwalter/cockpit,deryni/cockpit,mvollmer/cockpit,cockpituous/cockpit,SotolitoLabs/cockpit,SotolitoLabs/cockpit,mareklibra/cockpit,andreasn/cockpit,cockpituous/cockpit,mvollmer/cockpit,deryni/cockpit,garrett/cockpit,mvollmer/cockpit,moraleslazaro/cockpit,deryni/cockpit,stefwalter/cockpit,andreasn/cockpit,garrett/cockpit,SotolitoLabs/cockpit,deryni/cockpit,garrett/cockpit,cockpituous/cockpit,cockpituous/cockpit,stefwalter/cockpit,mareklibra/cockpit,andreasn/cockpit,deryni/cockpit,cockpituous/cockpit,andreasn/cockpit,cockpit-project/cockpit,deryni/cockpit,stefwalter/cockpit,martinpitt/cockpit