deploy: wire API group suffix through YTT templates

I didn't advertise this feature in the deploy README's since (hopefully) not
many people will want to use it?

Signed-off-by: Andrew Keesler <akeesler@vmware.com>

deploy/supervisor/rbac.yaml

@@ -1,8 +1,8 @@
-#! Copyright 2020 the Pinniped contributors. All Rights Reserved.
+#! Copyright 2020-2021 the Pinniped contributors. All Rights Reserved.
 #! SPDX-License-Identifier: Apache-2.0
 
 #@ load("@ytt:data", "data")
-#@ load("helpers.lib.yaml", "labels", "namespace", "defaultResourceName", "defaultResourceNameWithSuffix")
+#@ load("helpers.lib.yaml", "labels", "namespace", "defaultResourceName", "defaultResourceNameWithSuffix", "pinnipedDevAPIGroupWithPrefix")
 
 #! Give permission to various objects within the app's own namespace
 ---
@@ -16,13 +16,16 @@ rules:
   - apiGroups: [""]
     resources: [secrets]
     verbs: [create, get, list, patch, update, watch, delete]
-  - apiGroups: [config.supervisor.pinniped.dev]
+  - apiGroups:
+      - #@ pinnipedDevAPIGroupWithPrefix("config.supervisor")
     resources: [federationdomains]
     verbs: [update, get, list, watch]
-  - apiGroups: [idp.supervisor.pinniped.dev]
+  - apiGroups:
+      - #@ pinnipedDevAPIGroupWithPrefix("idp.supervisor")
     resources: [oidcidentityproviders]
     verbs: [get, list, watch]
-  - apiGroups: [idp.supervisor.pinniped.dev]
+  - apiGroups:
+      - #@ pinnipedDevAPIGroupWithPrefix("idp.supervisor")
     resources: [oidcidentityproviders/status]
     verbs: [get, patch, update]
     #! We want to be able to read pods/replicasets/deployment so we can learn who our deployment is to set