project.config: add gobot permissions for relui

Allow relui (as gobot) to tag repositories.

It's possible we should be creating a new user, but we can worry about
it later I guess.

Change-Id: I88153747e803985c26632b57f79c01cd804f6567
diff --git a/project.config b/project.config
index ef5a2e1..9c0e7b5 100644
--- a/project.config
+++ b/project.config
@@ -51,12 +51,14 @@
 [access "refs/tags/*"]
 	push = group may-push
 	push = group release-managers
+	create = group gobot
 	create = group may-push
 	create = group release-managers
 	forgeAuthor = group may-push
 	forgeAuthor = group release-managers
 	forgeCommitter = group may-push
 	forgeCommitter = group release-managers
+	createTag = group gobot
 	createTag = group may-push
 	createTag = group release-managers
 [label "Code-Review"]