Bump bullet from 6.0.1 to 6.1.0

Bumps [bullet](https://github.com/flyerhzm/bullet) from 6.0.1 to 6.1.0.
- [Release notes](https://github.com/flyerhzm/bullet/releases)
- [Changelog](https://github.com/flyerhzm/bullet/blob/master/CHANGELOG.md)
- [Commits](https://github.com/flyerhzm/bullet/compare/6.0.1...6.1.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Gemfile.lock

@@ -69,7 +69,7 @@ GEM
       autoprefixer-rails (>= 5.2.1)
       sassc (>= 2.0.0)
     builder (3.2.3)
-    bullet (6.0.1)
+    bullet (6.1.0)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
     byebug (11.0.1)
@@ -103,7 +103,7 @@ GEM
     globalid (0.4.2)
       activesupport (>= 4.2.0)
     htmlentities (4.3.4)
-    i18n (1.6.0)
+    i18n (1.7.0)
       concurrent-ruby (~> 1.0)
     jaro_winkler (1.5.3)
     jquery-rails (4.3.5)
@@ -133,7 +133,7 @@ GEM
     mimemagic (0.3.3)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
+    minitest (5.13.0)
     minitest-stub-const (0.6)
     mocha (1.9.0)
       metaclass (~> 0.0.1)
@@ -257,12 +257,12 @@ GEM
       rails (>= 5.0)
       safe_yaml (>= 0.8.6)
       sass
-    tzinfo (1.2.5)
+    tzinfo (1.2.6)
       thread_safe (~> 0.1)
     uglifier (4.1.20)
       execjs (>= 0.3.0, < 3)
     unicode-display_width (1.6.0)
-    uniform_notifier (1.12.1)
+    uniform_notifier (1.13.0)
     websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.4)