Update rubocop requirement from ~> 0.80.0 to ~> 0.81.0 (#9)

Updates the requirements on [rubocop](https://github.com/rubocop-hq/rubocop) to permit the latest version.
- [Release notes](https://github.com/rubocop-hq/rubocop/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v0.80.1...v0.81.0)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

Gemfile.lock

@@ -21,7 +21,7 @@ GEM
     jaro_winkler (1.5.4)
     json (2.3.0)
     parallel (1.19.1)
-    parser (2.7.0.3)
+    parser (2.7.0.5)
       ast (~> 2.4.0)
     rainbow (3.0.0)
     rake (13.0.1)
@@ -39,14 +39,14 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.9.0)
     rspec-support (3.9.0)
-    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)
     ruby-progressbar (1.10.1)
     simplecov (0.16.1)
       docile (~> 1.1)
@@ -60,7 +60,7 @@ GEM
       tins (~> 1.0)
     thor (0.20.3)
     tins (1.22.2)
-    unicode-display_width (1.6.1)
+    unicode-display_width (1.7.0)
 
 PLATFORMS
   ruby
@@ -70,7 +70,7 @@ DEPENDENCIES
   coveralls (~> 0.8.23)
   rake (~> 13.0.1)
   rspec-sonarqube-formatter!
-  rubocop (~> 0.80.0)
+  rubocop (~> 0.81.0)
   simplecov (~> 0.16.1)
   simplecov-json (~> 0.2.0)
 

rspec-sonarqube-formatter.gemspec

@@ -39,7 +39,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'bundler',        '~> 2.1.0'
   spec.add_development_dependency 'coveralls',      '~> 0.8.23'
   spec.add_development_dependency 'rake',           '~> 13.0.1'
-  spec.add_development_dependency 'rubocop',        '~> 0.80.0'
+  spec.add_development_dependency 'rubocop',        '~> 0.81.0'
   spec.add_development_dependency 'simplecov',      '~> 0.16.1'
   spec.add_development_dependency 'simplecov-json', '~> 0.2.0'
 end