Add leases to Theodolite role

Depending on the Kubernetes configuration, it is possible that Theodolite may require additional permissions for leader election.

execution/helm/templates/theodolite/role.yaml

@@ -56,5 +56,14 @@ rules:
     - watch
     - update
     - patch
+  - apiGroups:
+    - coordination.k8s.io
+    resources:
+    - leases
+    verbs:
+    - delete
+    - get
+    - create
+    - update
   {{- end }}
 {{- end }}
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