Allow creating topic branches

Change-Id: I8f6ff27685d0b10fed58c323004aab31c8ec1d2c
Signed-off-by: Gyorgy Szing <Gyorgy.Szing@arm.com>
diff --git a/project.config b/project.config
index 72842cc..93e273b 100644
--- a/project.config
+++ b/project.config
@@ -61,8 +61,11 @@
 
 [access "refs/for/refs/heads/topics/*"]
 	abandon = group ts-devs
-	push = +force group ts-devs
+	forgeAuthor = group ts-devs
+	forgeCommitter = group ts-devs
+	push = group ts-devs
 	pushMerge = group ts-devs
+	create = group ts-devs
 
 # The Code-Review label is purely informational. Contributors that are neither
 # code owners for the patch nor maintainers use it to record their concerns.