Add operator permissions for argocd appications

[DmitryDodzin]

add a clusterrole rule to allow applications integration

- apiGroups:
  - argoproj.io
  resources:
  - applications
  verbs:
  - list
  - get
  - patch

[aviramha]

Not approving because I'm waiting for env that enables application patch (need to add in the operator first)