give konflux-admins rights on tektoninstallersets (#7631)

Signed-off-by: Andy Sadler <[email protected]>

Author: sadlerap

components/authentication/base/konflux-admins.yaml

@@ -391,6 +391,18 @@ rules:
       - patch
       - update
       - delete
+  - apiGroups:
+      - operator.tekton.dev
+    resources:
+      - tektoninstallersets
+    verbs:
+      - create
+      - get
+      - list
+      - watch
+      - patch
+      - update
+      - delete
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding