Bump rubocop from 1.66.1 to 1.68.0 (#330)

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.66.1 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@v1.66.1...v1.68.0)

---
updated-dependencies:
- dependency-name: rubocop
  dependency-type: direct:production
  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

@@ -8,7 +8,7 @@ gemspec
 gem 'rake', '~> 13.2.1'
 gem 'redcarpet', '~> 3.6.0'
 gem 'rspec', '~> 3.13.0'
-gem 'rubocop', '~> 1.66.1'
+gem 'rubocop', '~> 1.68.0'
 gem 'rubocop-packaging', '~> 0.5.2'
 gem 'rubocop-performance', '~> 1.22.1'
 gem 'rubocop-rake', '~> 0.6.0'

Gemfile.lock

@@ -12,11 +12,11 @@ GEM
     diff-lcs (1.5.1)
     docile (1.4.0)
     erubi (1.13.0)
-    json (2.7.2)
+    json (2.7.5)
     language_server-protocol (3.17.0.3)
     netrc (0.11.0)
     parallel (1.26.3)
-    parser (3.3.5.0)
+    parser (3.3.5.1)
       ast (~> 2.4.1)
       racc
     prism (1.0.0)
@@ -42,7 +42,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.1)
-    rubocop (1.66.1)
+    rubocop (1.68.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -52,7 +52,7 @@ 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)
     rubocop-packaging (0.5.2)
       rubocop (>= 1.33, < 2.0)
@@ -111,7 +111,7 @@ DEPENDENCIES
   rake (~> 13.2.1)
   redcarpet (~> 3.6.0)
   rspec (~> 3.13.0)
-  rubocop (~> 1.66.1)
+  rubocop (~> 1.68.0)
   rubocop-packaging (~> 0.5.2)
   rubocop-performance (~> 1.22.1)
   rubocop-rake (~> 0.6.0)