Gerrit: Allow all registered users to access the event stream

This might be needed for some experiments so let's enable it by default.

Change-Id: Ic2cfe56935be2abe40bd813d01f0e8ee58951278
diff --git a/project.config b/project.config
index 335fc94..460eced 100644
--- a/project.config
+++ b/project.config
@@ -11,6 +11,7 @@
 	administrateServer = group Administrators
 	priority = batch group Non-Interactive Users
 	streamEvents = group Non-Interactive Users
+	streamEvents = group Registered Users
 [access "refs/*"]
 	read = group Administrators
 	read = group Anonymous Users