Bump listen from 3.0.8 to 3.1.5

Bumps [listen](https://github.com/guard/listen) from 3.0.8 to 3.1.5.
- [Release notes](https://github.com/guard/listen/releases)
- [Changelog](https://github.com/guard/listen/blob/master/CHANGELOG.md)
- [Commits](guard/listen@v3.0.8...v3.1.5)

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

Gemfile

@@ -49,7 +49,7 @@ end
 
 group :development, :test do
   gem 'brakeman'
-  gem 'listen', '~> 3.0.5'
+  gem 'listen', '~> 3.1.5'
   gem 'spring'
   gem 'spring-watcher-listen', '~> 2.0.0'
   gem 'byebug'

Gemfile.lock

@@ -161,9 +161,10 @@ GEM
     kaminari-core (1.1.1)
     launchy (2.4.3)
       addressable (~> 2.3)
-    listen (3.0.8)
+    listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
+      ruby_dep (~> 1.2)
     loofah (2.2.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
@@ -261,7 +262,7 @@ GEM
       actionpack
       activesupport
       railties
-    rb-fsevent (0.10.2)
+    rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
     redcarpet (3.4.0)
@@ -278,6 +279,7 @@ GEM
     ruby-pushbullet (0.1.4)
       json
       rest-client (~> 1.8.0)
+    ruby_dep (1.5.0)
     rubyzip (1.2.1)
     safe_yaml (1.0.4)
     sass (3.5.5)
@@ -396,7 +398,7 @@ DEPENDENCIES
   json (>= 2.0.0)
   kaminari
   launchy
-  listen (~> 3.0.5)
+  listen (~> 3.1.5)
   minitest-slow_test
   minitest-sound
   minitest-sub_test_case