Bump rubocop from 1.67.0 to 1.68.0 (#69)

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.67.0 to 1.68.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.67.0...v1.68.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -10,7 +10,7 @@ gemspec
 group :development, :test do
   gem 'bundler',        '~> 2.5'
   gem 'rake',           '~> 13.2'
-  gem 'rubocop',        '~> 1.67'
+  gem 'rubocop',        '~> 1.68'
   gem 'simplecov',      '~> 0.22'
   gem 'simplecov-html', '~> 0.13'
   gem 'simplecov-json', '~> 0.2'

Gemfile.lock

@@ -12,10 +12,10 @@ GEM
     diff-lcs (1.5.1)
     docile (1.4.1)
     htmlentities (4.3.4)
-    json (2.7.2)
+    json (2.7.5)
     language_server-protocol (3.17.0.3)
     parallel (1.26.3)
-    parser (3.3.5.0)
+    parser (3.3.5.1)
       ast (~> 2.4.1)
       racc
     racc (1.8.1)
@@ -35,7 +35,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.1)
-    rubocop (1.67.0)
+    rubocop (1.68.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -45,7 +45,7 @@ GEM
       rubocop-ast (>= 1.32.2, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.32.3)
+    rubocop-ast (1.33.0)
       parser (>= 3.3.1.0)
     ruby-progressbar (1.13.0)
     simplecov (0.22.0)
@@ -69,7 +69,7 @@ DEPENDENCIES
   bundler (~> 2.5)
   rake (~> 13.2)
   rspec-sonarqube-formatter!
-  rubocop (~> 1.67)
+  rubocop (~> 1.68)
   simplecov (~> 0.22)
   simplecov-html (~> 0.13)
   simplecov-json (~> 0.2)