Support server-side apply with KubectlRawRestClient

[danopia]

Server-side apply is stable nowadays, and available with kubectl apply --server-side --field-manager=....
Given that our relevant codepath is for kubectl patch and comes from HTTP PATCH verbs, it might be interesting to see how these pieces want to fit together.

deno-kubernetes_client/transports/via-kubectl-raw.ts

Lines 173 to 174 in 1a1fa60

	if (patchMode === 'apply') throw new Error(
	`TODO: Server-Side Apply is not yet implemented (and also not enabled in vanilla Kubernetes yet)`);