CSIStorageCapacity: update rbac test data

This is the result of
  UPDATE_BOOTSTRAP_POLICY_FIXTURE_DATA=true go test k8s.io/kubernetes/plugin/pkg/auth/authorizer/rbac/bootstrappolicy
after enabling the CSIStorageCapacity feature. This enables
additional RBAC entries for reading CSIDriver and
CSIStorageCapacity.

plugin/pkg/auth/authorizer/rbac/bootstrappolicy/testdata/cluster-roles.yaml

@@ -835,6 +835,22 @@ items:
     - get
     - list
     - watch
+  - apiGroups:
+    - storage.k8s.io
+    resources:
+    - csidrivers
+    verbs:
+    - get
+    - list
+    - watch
+  - apiGroups:
+    - storage.k8s.io
+    resources:
+    - csistoragecapacities
+    verbs:
+    - get
+    - list
+    - watch
 - apiVersion: rbac.authorization.k8s.io/v1
   kind: ClusterRole
   metadata: