Grant owner to google/gerritcodereview-maintainers@googlegroups.com

project.config

diff --git a/project.config b/project.config
index 37a4c83..5ca62e5 100644
--- a/project.config
+++ b/project.config
@@ -7,6 +7,7 @@
 	requireChangeId = true
 [access "refs/*"]
 	read = group Anonymous Users
+	owner = group google/gerritcodereview-maintainers@googlegroups.com
 [access "refs/for/refs/heads/*"]
 	push = group Registered Users
 	pushMerge = group Registered Users