Bump rubocop-rails from 2.21.2 to 2.22.2

Bumps [rubocop-rails](https://github.com/rubocop/rubocop-rails) from 2.21.2 to 2.22.2.
- [Release notes](https://github.com/rubocop/rubocop-rails/releases)
- [Changelog](https://github.com/rubocop/rubocop-rails/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rails@v2.21.2...v2.22.2)

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

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

Gemfile.lock

@@ -173,7 +173,7 @@ GEM
     public_suffix (5.0.3)
     puma (6.4.0)
       nio4r (~> 2.0)
-    racc (1.7.1)
+    racc (1.7.3)
     rack (2.2.8)
     rack-mini-profiler (3.1.1)
       rack (>= 1.2.0)
@@ -250,10 +250,11 @@ GEM
       rubocop (~> 1.41)
     rubocop-factory_bot (2.24.0)
       rubocop (~> 1.33)
-    rubocop-rails (2.21.2)
+    rubocop-rails (2.22.2)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.33.0, < 2.0)
+      rubocop-ast (>= 1.30.0, < 2.0)
     rubocop-rspec (2.25.0)
       rubocop (~> 1.40)
       rubocop-capybara (~> 2.17)