Bump rubocop-rails from 2.27.0 to 2.28.0

Bumps [rubocop-rails](https://github.com/rubocop/rubocop-rails) from 2.27.0 to 2.28.0.
- [Release notes](https://github.com/rubocop/rubocop-rails/releases)
- [Changelog](https://github.com/rubocop/rubocop-rails/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop-rails@v2.27.0...v2.28.0)

---
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

@@ -110,7 +110,7 @@ GEM
     base64 (0.2.0)
     bcrypt (3.1.20)
     benchmark (0.4.0)
-    bigdecimal (3.1.8)
+    bigdecimal (3.1.9)
     bindata (2.5.0)
     bindex (0.8.1)
     bootsnap (1.18.4)
@@ -226,7 +226,7 @@ GEM
     llhttp-ffi (0.5.0)
       ffi-compiler (~> 1.0)
       rake (~> 13.0)
-    logger (1.6.3)
+    logger (1.6.4)
     loofah (2.23.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
@@ -352,7 +352,7 @@ GEM
     rake (13.2.1)
     rdoc (6.10.0)
       psych (>= 4.0.0)
-    regexp_parser (2.9.3)
+    regexp_parser (2.10.0)
     reline (0.6.0)
       io-console (~> 0.5)
     responders (3.1.1)
@@ -381,7 +381,7 @@ GEM
     rubocop-performance (1.23.0)
       rubocop (>= 1.48.1, < 2.0)
       rubocop-ast (>= 1.31.1, < 2.0)
-    rubocop-rails (2.27.0)
+    rubocop-rails (2.28.0)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.52.0, < 2.0)
@@ -448,7 +448,7 @@ GEM
       railties (>= 6.0.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (3.1.2)
+    unicode-display_width (3.1.3)
       unicode-emoji (~> 4.0, >= 4.0.4)
     unicode-emoji (4.0.4)
     uri (1.0.2)