Bump bullet from 5.7.0 to 5.7.2

Bumps [bullet](https://github.com/flyerhzm/bullet) from 5.7.0 to 5.7.2.
- [Changelog](https://github.com/flyerhzm/bullet/blob/master/CHANGELOG.md)
- [Commits](flyerhzm/bullet@5.7.0...5.7.2)

Gemfile.lock

@@ -68,9 +68,9 @@ GEM
     brakeman (4.0.1)
     browser (2.5.1)
     builder (3.2.3)
-    bullet (5.7.0)
+    bullet (5.7.2)
       activesupport (>= 3.0.0)
-      uniform_notifier (~> 1.10.0)
+      uniform_notifier (~> 1.11.0)
     byebug (9.1.0)
     clipboard (1.1.1)
     codeclimate-engine-rb (0.4.0)
@@ -179,7 +179,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_portile2 (2.3.0)
-    minitest (5.10.3)
+    minitest (5.11.1)
     morpher (0.2.6)
       abstract_type (~> 0.0.7)
       adamantium (~> 0.2.0)
@@ -421,7 +421,7 @@ GEM
     tzinfo-data (1.2017.2)
       tzinfo (>= 1.0.0)
     unicode-display_width (1.3.0)
-    uniform_notifier (1.10.0)
+    uniform_notifier (1.11.0)
     unparser (0.2.6)
       abstract_type (~> 0.0.7)
       adamantium (~> 0.2.0)