align sync and update logs (#2738)

pkg/cluster/cluster.go

pkg/cluster/connection_pooler.go

pkg/cluster/database.go

pkg/cluster/majorversionupgrade.go

pkg/cluster/pod.go

pkg/cluster/resources.go

pkg/cluster/streams.go

pkg/cluster/sync.go

pkg/cluster/util.go

pkg/cluster/volumes.go

pkg/controller/postgresql.go