Server-Side Apply support for ArgoCD

• https://argo-cd.readthedocs.io/en/latest/proposals/server-side-apply/

Argo CD, ArgoCD RBAC, GPG argocd, argocd --help, Flux, argoproj.io, kind: Application, kind: AppProject, kind: ApplicationSet, ArgoCD best practices, argocd-cm, Versions