Update gitreview file

Change-Id: Ie0931ef9ed70206fff14c4a73535493b8581a693
diff --git a/.gitreview b/.gitreview
index 6bb4f8e..2a883d5 100644
--- a/.gitreview
+++ b/.gitreview
@@ -1,4 +1,5 @@
 [gerrit]
-host=review.openstack.org
+host=gerrit.mcp.mirantis.net
 port=29418
-project=openstack/tempest-horizon.git
+project=packaging/sources/tempest-horizon.git
+defaultbranch=mcp/pike