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:development
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -85,7 +85,7 @@ GEM
     ast (2.4.2)
     base64 (0.2.0)
     bcrypt (3.1.20)
-    bigdecimal (3.1.4)
+    bigdecimal (3.1.5)
     bindex (0.8.1)
     bootsnap (1.17.0)
       msgpack (~> 1.2)
@@ -245,7 +245,7 @@ GEM
     omniauth-rails_csrf_protection (1.0.1)
       actionpack (>= 4.2)
       omniauth (~> 2.0)
-    parallel (1.23.0)
+    parallel (1.24.0)
     parser (3.2.2.4)
       ast (~> 2.4.1)
       racc
@@ -351,7 +351,7 @@ GEM
     rubocop-performance (1.19.1)
       rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
-    rubocop-rails (2.22.2)
+    rubocop-rails (2.23.0)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.33.0, < 2.0)