Bump rubocop from 1.66.1 to 1.68.0

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>

Author: dependabot[bot]

Gemfile

@@ -7,6 +7,6 @@ gemspec
 
 gem 'minitest', '~> 5.25'
 gem 'rake', '~> 13.1'
-gem 'rubocop', '~> 1.66'
+gem 'rubocop', '~> 1.68'
 gem 'rubocop-minitest', '~> 0.36.0'
 gem 'rubocop-rake', '~> 0.6.0'

Gemfile.lock

@@ -7,18 +7,18 @@ GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.2)
-    json (2.7.2)
+    json (2.7.5)
     language_server-protocol (3.17.0.3)
     minitest (5.25.1)
     parallel (1.26.3)
-    parser (3.3.5.0)
+    parser (3.3.5.1)
       ast (~> 2.4.1)
       racc
     racc (1.8.1)
     rainbow (3.1.1)
     rake (13.1.0)
     regexp_parser (2.9.2)
-    rubocop (1.66.1)
+    rubocop (1.68.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -28,15 +28,15 @@ 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 (1.33.1)
       parser (>= 3.3.1.0)
     rubocop-minitest (0.36.0)
       rubocop (>= 1.61, < 2.0)
       rubocop-ast (>= 1.31.1, < 2.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
     ruby-progressbar (1.13.0)
-    unicode-display_width (2.5.0)
+    unicode-display_width (2.6.0)
 
 PLATFORMS
   x86_64-linux
@@ -45,7 +45,7 @@ DEPENDENCIES
   human_languages!
   minitest (~> 5.25)
   rake (~> 13.1)
-  rubocop (~> 1.66)
+  rubocop (~> 1.68)
   rubocop-minitest (~> 0.36.0)
   rubocop-rake (~> 0.6.0)