Bump rubocop-rails from 2.22.2 to 2.23.0

Bumps [rubocop-rails](https://github.com/rubocop/rubocop-rails) from 2.22.2 to 2.23.0.
- [Release notes](https://github.com/rubocop/rubocop-rails/releases)
- [Changelog](https://github.com/rubocop/rubocop-rails/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rails@v2.22.2...v2.23.0)

---
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

@@ -21,7 +21,7 @@ GEM
       tzinfo (~> 2.0)
     ast (2.4.2)
     base64 (0.2.0)
-    bigdecimal (3.1.4)
+    bigdecimal (3.1.5)
     coderay (1.1.3)
     concurrent-ruby (1.2.2)
     connection_pool (2.4.1)
@@ -79,7 +79,7 @@ GEM
     rubocop-minitest (0.34.1)
       rubocop (>= 1.39, < 2.0)
       rubocop-ast (>= 1.30.0, < 2.0)
-    rubocop-rails (2.22.2)
+    rubocop-rails (2.23.0)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.33.0, < 2.0)