Bump rubocop from 0.80.1 to 0.81.0

Bumps [rubocop](https://github.com/rubocop-hq/rubocop) from 0.80.1 to 0.81.0.
- [Release notes](https://github.com/rubocop-hq/rubocop/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop-hq/rubocop/compare/v0.80.1...v0.81.0)

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

Gemfile.lock

@@ -345,7 +345,7 @@ GEM
       rack
     orm_adapter (0.5.0)
     parallel (1.19.1)
-    parser (2.7.0.4)
+    parser (2.7.1.0)
       ast (~> 2.4.0)
     percy-capybara (4.0.2)
     pg (0.21.0)
@@ -454,14 +454,14 @@ GEM
     rswag-ui (2.2.0)
       actionpack (>= 3.1, < 6.1)
       railties (>= 3.1, < 6.1)
-    rubocop (0.80.1)
+    rubocop (0.81.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.7.0.1)
       rainbow (>= 2.2.2, < 4.0)
       rexml
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 1.7)
+      unicode-display_width (>= 1.4.0, < 2.0)
     rubocop-rails (2.4.2)
       rack (>= 1.1)
       rubocop (>= 0.72.0)
@@ -534,7 +534,7 @@ GEM
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (1.6.1)
+    unicode-display_width (1.7.0)
     unicorn (5.5.4)
       kgio (~> 2.6)
       raindrops (~> 0.7)