Merge pull request #8033 from vorsel/percona_update_psmdb_version_3.6.18-5.0

[percona] Update psmdb-36 version

library/percona

@@ -31,7 +31,7 @@ GitCommit: 46e9e40b837c631e383ef900c0f7ff3e2d02f916
 Directory: percona-server-mongodb.40
 File: Dockerfile
 
-Tags: psmdb-3.6.17, psmdb-3.6
-GitCommit: 6601b120cc7594fb9603268834b507d855e019dd
+Tags: psmdb-3.6.18, psmdb-3.6
+GitCommit: e3123b2a92d6af529680563dbeb5bf78f4d29510
 Directory: percona-server-mongodb.36
 File: Dockerfile