take into account manage_enrich builtin role

Author: martijnvg

x-pack/plugin/src/test/resources/rest-api-spec/test/privileges/11_builtin.yml

@@ -15,5 +15,5 @@ setup:
   # This is fragile - it needs to be updated every time we add a new cluster/index privilege
   # I would much prefer we could just check that specific entries are in the array, but we don't have
   # an assertion for that
-  - length: { "cluster" : 26 }
+  - length: { "cluster" : 27 }
   - length: { "index" : 16 }