chore!: Upgrade to `schemars` 1.0, `kube` 2.0 and `k8s-openapi` 0.26 #4500

Job	Run time
Run RustDoc	1m 44s
Run Cargo Deny (advisories)	44s
Run Cargo Udeps	1m 59s
Run Cargo Deny (bans licenses sources)	45s
Run Cargo Tests	2m 12s
All tests passed	4s
	7m 28s

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