Bump rubocop-rails from 2.26.2 to 2.27.0

Bumps [rubocop-rails](https://github.com/rubocop/rubocop-rails) from 2.26.2 to 2.27.0.
- [Release notes](https://github.com/rubocop/rubocop-rails/releases)
- [Changelog](https://github.com/rubocop/rubocop-rails/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rails@v2.26.2...v2.27.0)

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

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

Gemfile.lock

@@ -217,7 +217,7 @@ GEM
       railties (>= 3.2.16)
     js_cookie_rails (2.2.0)
       railties (>= 3.1)
-    json (2.7.2)
+    json (2.7.4)
     json-jwt (1.16.7)
       activesupport (>= 4.2)
       aes_key_wrap
@@ -420,7 +420,7 @@ GEM
       parser (>= 3.3.1.0)
     rubocop-capybara (2.21.0)
       rubocop (~> 1.41)
-    rubocop-rails (2.26.2)
+    rubocop-rails (2.27.0)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.52.0, < 2.0)