Update gem database_cleaner

Author: vitalie

Gemfile.lock

@@ -141,9 +141,9 @@ GEM
     crack (0.4.5)
       rexml
     dalli (3.2.1)
-    database_cleaner (2.0.1)
-      database_cleaner-active_record (~> 2.0.0)
-    database_cleaner-active_record (2.0.1)
+    database_cleaner (2.0.2)
+      database_cleaner-active_record (>= 2, < 3)
+    database_cleaner-active_record (2.1.0)
       activerecord (>= 5.a)
       database_cleaner-core (~> 2.0.0)
     database_cleaner-core (2.0.1)