The MCO's "Certificate Observability" CRD fields (introduced in MCO-607) are non-RFC3339 formatted strings and are unparseable as the API standard metav1.Time

For context, the MCO is currently migrating its API to openshift/api where it needs to comply with API standards, and if these strings are still present in the API when 4.14 ships, we will be unable to upgrade from the shipping version to the one where the API has migrated, so we need to adjust this now before it ships. 

100% 

1.Create a cluster
2.Observe ControllerConfig status.controllerCertificates
3.Observe MachineConfigPool status.certExpirys

Types are wrong, and strings are formatted thusly: 2033-08-12 01:47:54 +0000 UTC 

ControllerConfig and MachineConfigPools do not contain certificate observability fields formatted as "2033-08-12 01:47:54 +0000 UTC".

Either contain certificate observability fields formatted as "2006-01-02T15:04:05Z07:00" or should not contain them at all. 

If we ship 4.14 with these strings how they are, we will be stuck like that and unable to easily upgrade out of it (because the new MCO that regards the fields as metav1.Time will be unable to parse the old strings), e.g.

2023-08-15T05:03:40.989575279Z W0815 05:03:40.989527 1 reflector.go:533] github.com/openshift/client-go/machineconfiguration/informers/externalversions/factory.go:101: failed to list *v1.MachineConfigPool: parsing time "2033-08-12 01:47:54 +0000 UTC" as "2006-01-02T15:04:05Z07:00": cannot parse " 01:47:54 +0000 UTC" as "T" 2023-08-15T05:03:40.989575279Z E0815 05:03:40.989555 1 reflector.go:148] github.com/openshift/client-go/machineconfiguration/informers/externalversions/factory.go:101: Failed to watch *v1.MachineConfigPool: failed to list *v1.MachineConfigPool: parsing time "2033-08-12 01:47:54 +0000 UTC" as "2006-01-02T15:04:05Z07:00": cannot parse " 01:47:54 +0000 UTC" as "T" 2023-08-15T05:04:05.304139210Z W0815 05:04:05.304088 1 reflector.go:533] github.com/openshift/client-go/machineconfiguration/informers/externalversions/factory.go:101: failed to list *v1.ControllerConfig: parsing time "2033-08-12 01:47:54 +0000 UTC" as "2006-01-02T15:04:05Z07:00": cannot parse " 01:47:54 +0000 UTC" as "T" 2023-08-15T05:04:05.304139210Z E0815 05:04:05.304121 1 reflector.go:148] github.com/openshift/client-go/machineconfiguration/informers/externalversions/factory.go:101: Failed to watch *v1.ControllerConfig: failed to list *v1.ControllerConfig: parsing time "2033-08-12 01:47:54 +0000 UTC" as "2006-01-02T15:04:05Z07:00": cannot parse " 01:47:54 +0000 UTC" as "T"