Gem update for database_cleaner

Signed-off-by: Jeroen van Baarsen <jeroenvanbaarsen@gmail.com>

Gemfile.lock

@@ -89,7 +89,7 @@ GEM
     d3_rails (3.1.10)
       railties (>= 3.1.0)
     daemons (1.1.9)
-    database_cleaner (1.2.0)
+    database_cleaner (1.3.0)
     debug_inspector (0.0.2)
     default_value_for (3.0.0)
       activerecord (>= 3.2.0, < 5.0)