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](https://github.com/rubocop/rubocop/compare/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>

Gemfile

@@ -6,7 +6,7 @@ gem 'minitest-ci', '~> 3.4'
 gem 'minitest-reporters', '~> 1.6'
 gem 'rake', '~> 13.2'
 gem 'rake-compiler', '~> 1.2'
-gem 'rubocop', '~> 1.66'
+gem 'rubocop', '~> 1.68'
 gem 'rubocop-minitest', '~> 0.36'
 gem 'rubocop-packaging', '~> 0.5'
 gem 'rubocop-performance', '~> 1.22'

Gemfile.lock

@@ -9,7 +9,7 @@ GEM
     ansi (1.5.0)
     ast (2.4.2)
     builder (3.3.0)
-    json (2.7.2)
+    json (2.7.5)
     language_server-protocol (3.17.0.3)
     minitest (5.25.1)
     minitest-ci (3.4.0)
@@ -20,7 +20,7 @@ GEM
       minitest (>= 5.0)
       ruby-progressbar
     parallel (1.26.3)
-    parser (3.3.5.0)
+    parser (3.3.5.1)
       ast (~> 2.4.1)
       racc
     racc (1.8.1)
@@ -29,7 +29,7 @@ GEM
     rake-compiler (1.2.8)
       rake
     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)
@@ -39,7 +39,7 @@ 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-minitest (0.36.0)
       rubocop (>= 1.61, < 2.0)
@@ -67,7 +67,7 @@ DEPENDENCIES
   minitest-reporters (~> 1.6)
   rake (~> 13.2)
   rake-compiler (~> 1.2)
-  rubocop (~> 1.66)
+  rubocop (~> 1.68)
   rubocop-minitest (~> 0.36)
   rubocop-packaging (~> 0.5)
   rubocop-performance (~> 1.22)