chore!: Upgrade to `schemars` 1.0, `kube` 2.0 and `k8s-openapi` 0.26 #4499

Job	Run time
Run Cargo Udeps	2m 31s
Run Cargo Deny (bans licenses sources)	47s
Run Cargo Deny (advisories)	49s
Run RustDoc	2m 59s
Run Cargo Tests	4m 43s
All tests passed	2s
	11m 51s

Provide feedback