Bump rubocop from 0.59.2 to 0.60.0 (#9135)

Bumps [rubocop](https://github.com/rubocop-hq/rubocop) from 0.59.2 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/v0.59.2...v0.60.0)

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

Gemfile

@@ -126,7 +126,7 @@ group :development do
   gem 'letter_opener', '~> 1.4'
   gem 'letter_opener_web', '~> 1.3'
   gem 'memory_profiler'
-  gem 'rubocop', '~> 0.59', require: false
+  gem 'rubocop', '~> 0.60', require: false
   gem 'brakeman', '~> 4.3', require: false
   gem 'bundler-audit', '~> 0.6', require: false
   gem 'scss_lint', '~> 0.57', require: false

Gemfile.lock

@@ -528,15 +528,15 @@ GEM
       rspec-core (~> 3.0, >= 3.0.0)
       sidekiq (>= 2.4.0)
     rspec-support (3.8.0)
-    rubocop (0.59.2)
+    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-saml (1.9.0)
       nokogiri (>= 1.5.10)
     rufus-scheduler (3.5.2)
@@ -747,7 +747,7 @@ DEPENDENCIES
   rqrcode (~> 0.10)
   rspec-rails (~> 3.8)
   rspec-sidekiq (~> 3.0)
-  rubocop (~> 0.59)
+  rubocop (~> 0.60)
   sanitize (~> 4.6)
   scss_lint (~> 0.57)
   sidekiq (~> 5.2)