Bump rubocop from 1.21.0 to 1.22.1 (#16810)

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.21.0 to 1.22.1.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop/rubocop/compare/v1.21.0...v1.22.1)

---
updated-dependencies:
- dependency-name: rubocop
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -134,7 +134,7 @@ group :development do
   gem 'letter_opener', '~> 1.7'
   gem 'letter_opener_web', '~> 1.4'
   gem 'memory_profiler'
-  gem 'rubocop', '~> 1.21', require: false
+  gem 'rubocop', '~> 1.22', require: false
   gem 'rubocop-rails', '~> 2.12', require: false
   gem 'brakeman', '~> 5.1', require: false
   gem 'bundler-audit', '~> 0.9', require: false

Gemfile.lock

@@ -519,16 +519,16 @@ GEM
     rspec-support (3.10.2)
     rspec_junit_formatter (0.4.1)
       rspec-core (>= 2, < 4, != 2.12.0)
-    rubocop (1.21.0)
+    rubocop (1.22.1)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml
-      rubocop-ast (>= 1.9.1, < 2.0)
+      rubocop-ast (>= 1.12.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.11.0)
+    rubocop-ast (1.12.0)
       parser (>= 3.0.1.1)
     rubocop-rails (2.12.2)
       activesupport (>= 4.2.0)
@@ -627,7 +627,7 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.7)
-    unicode-display_width (1.7.0)
+    unicode-display_width (1.8.0)
     uniform_notifier (1.14.2)
     warden (1.2.9)
       rack (>= 2.0.9)
@@ -763,7 +763,7 @@ DEPENDENCIES
   rspec-rails (~> 5.0)
   rspec-sidekiq (~> 3.1)
   rspec_junit_formatter (~> 0.4)
-  rubocop (~> 1.21)
+  rubocop (~> 1.22)
   rubocop-rails (~> 2.12)
   ruby-progressbar (~> 1.11)
   sanitize (~> 6.0)