Bump rubocop from 0.58.2 to 0.60.0

Bumps [rubocop](https://github.com/rubocop-hq/rubocop) from 0.58.2 to 0.60.0.
- [Release notes](https://github.com/rubocop-hq/rubocop/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop-hq/rubocop/compare/v0.58.2...v0.60.0)

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

Gemfile

@@ -62,7 +62,7 @@ end
 group :development, :test do
   gem 'byebug'
   gem 'listen'
-  gem "rubocop", "~> 0.49", require: false
+  gem "rubocop", "~> 0.60", require: false
 end
 
 group :test do

Gemfile.lock

@@ -137,7 +137,7 @@ GEM
       mimemagic (~> 0.3.0)
       terrapin (~> 0.6.0)
     parallel (1.12.1)
-    parser (2.5.1.2)
+    parser (2.5.3.0)
       ast (~> 2.4.0)
     powerpack (0.1.2)
     puma (3.12.0)
@@ -187,15 +187,15 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.7.0)
     rspec-support (3.7.1)
-    rubocop (0.58.2)
+    rubocop (0.60.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.5, != 2.5.1.1)
       powerpack (~> 0.1)
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (~> 1.0, >= 1.0.1)
-    ruby-progressbar (1.9.0)
+      unicode-display_width (~> 1.4.0)
+    ruby-progressbar (1.10.0)
     ruby_dep (1.5.0)
     rubyzip (1.2.2)
     safe_yaml (1.0.4)
@@ -294,7 +294,7 @@ DEPENDENCIES
   rails-dom-testing (~> 2.0.0)
   rails_autolink
   rspec-expectations
-  rubocop (~> 0.49)
+  rubocop (~> 0.60)
   sanitize (>= 3.0.0)
   sass-rails (~> 5.0)
   selenium-webdriver (~> 2.53)