Modify access rules

project.config

diff --git a/project.config b/project.config
index ea8afad..30fce60 100644
--- a/project.config
+++ b/project.config
@@ -114,6 +114,7 @@
 	forgeAuthor = group gerrit-security-integration-issue-559396680
 	forgeCommitter = group gerrit-security-integration-issue-559396680
 	forgeServerAsCommitter = group gerrit-security-integration-issue-559396680
+	createSignedTag = group gerrit-security-integration-issue-559396680
 [notify "polygerrit-reviews"]
 	header = cc
 	email = polygerrit-reviews@google.com