Bump rubocop-rails from 2.23.0 to 2.23.1

Bumps [rubocop-rails](https://github.com/rubocop/rubocop-rails) from 2.23.0 to 2.23.1.
- [Release notes](https://github.com/rubocop/rubocop-rails/releases)
- [Changelog](https://github.com/rubocop/rubocop-rails/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rails@v2.23.0...v2.23.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -270,7 +270,7 @@ GEM
     rubocop-minitest (0.34.1)
       rubocop (>= 1.39, < 2.0)
       rubocop-ast (>= 1.30.0, < 2.0)
-    rubocop-rails (2.23.0)
+    rubocop-rails (2.23.1)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.33.0, < 2.0)