Merge pull request #5902 from crossplane/backport-5884-to-release-1.15

[Backport release-1.15] Add secrets.crossplane.io grant rules to RBAC manager roles, even though the feature is alpha.

cluster/charts/crossplane/templates/rbac-manager-managed-clusterroles.yaml

@@ -103,6 +103,10 @@ rules:
   - pkg.crossplane.io
   resources: ["*"]
   verbs: ["*"]
+- apiGroups:
+  - secrets.crossplane.io
+  resources: ["*"]
+  verbs: ["*"]
 # Crossplane administrators have access to view CRDs in order to debug XRDs.
 - apiGroups: [apiextensions.k8s.io]
   resources: [customresourcedefinitions]
@@ -139,6 +143,10 @@ rules:
   - pkg.crossplane.io
   resources: ["*"]
   verbs: ["*"]
+- apiGroups:
+  - secrets.crossplane.io
+  resources: ["*"]
+  verbs: ["*"]
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole
@@ -166,6 +174,10 @@ rules:
   - pkg.crossplane.io
   resources: ["*"]
   verbs: [get, list, watch]
+- apiGroups:
+  - secrets.crossplane.io
+  resources: ["*"]
+  verbs: [get, list, watch]
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole