Modify access rules

project.config

diff --git a/project.config b/project.config
index d190ae6..9193925 100644
--- a/project.config
+++ b/project.config
@@ -9,4 +9,5 @@
 	label-Maintainer = -1..+1 group google/gem5-arm@googlegroups.com
 	labelAs-Maintainer = -1..+1 group google/gem5-arm@googlegroups.com
 [access "refs/heads/tags/*"]
-	exclusiveGroupPermissions = create createTag createSignedTag
+[access "refs/tags/*"]
+	exclusiveGroupPermissions = create