Update gitreview file

Related-prod: PRODX-295

Change-Id: I3325511fa9940a7a31958d2b5176c9beee8e4ae6
(cherry picked from commit f5cce23232bfe37e7547dbbca21cbb07fc9ba980)
(cherry picked from commit 2373687526622866a20b48949ae65ce8c65110c4)
(cherry picked from commit 30470081ab7051017faf0396ee83e5052b7f7f97)
diff --git a/.gitreview b/.gitreview
index 2959281..b940c88 100644
--- a/.gitreview
+++ b/.gitreview
@@ -1,4 +1,5 @@
 [gerrit]
-host=review.openstack.org
+host=gerrit.mcp.mirantis.com
 port=29418
-project=openstack/designate-tempest-plugin.git
+project=packaging/sources/designate-tempest-plugin.git
+defaultbranch=mcp/stein