Update gnocchi_version to 4.3

In telemetry aio update gnocchi_version to 4.3

Change-Id: Ia1a634e0e103baa3e1a93aeb2b3e6233857af787
Related-Prod: PROD-23721 (PROD:23721)
diff --git a/.gitreview b/.gitreview
index 79258cb..f0eceda 100644
--- a/.gitreview
+++ b/.gitreview
@@ -1,5 +1,5 @@
 [gerrit]
-host=gerrit.mcp.mirantis.net
+host=gerrit.mcp.mirantis.com
 port=29418
 project=salt-models/mcp-virtual-aio
-defaultbranch=stable/queens
+defaultbranch=stable/rocky