chore!: Upgrade to `schemars` 1.0, `kube` 2.0 and `k8s-openapi` 0.26 #4501

Job	Run time
Run Cargo Deny (bans licenses sources)	44s
Run Cargo Deny (advisories)	51s
Run Cargo Udeps	2m 0s
Run RustDoc	1m 41s
Run Cargo Tests	2m 13s
All tests passed	4s
	7m 33s

Provide feedback