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] <[email protected]>

Gemfile

@@ -9,4 +9,4 @@ gem "rake", "~> 13.0"
 
 gem "rspec", "~> 3.0"
 
-gem "rubocop", "~> 1.21"
+gem "rubocop", "~> 1.68"

Gemfile.lock

@@ -8,10 +8,10 @@ GEM
   specs:
     ast (2.4.2)
     diff-lcs (1.5.1)
-    json (2.7.2)
+    json (2.8.2)
     language_server-protocol (3.17.0.3)
     parallel (1.26.3)
-    parser (3.3.5.0)
+    parser (3.3.6.0)
       ast (~> 2.4.1)
       racc
     racc (1.8.1)
@@ -31,7 +31,7 @@ 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)
@@ -41,7 +41,7 @@ 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 (1.36.1)
       parser (>= 3.3.1.0)
     ruby-progressbar (1.13.0)
     unicode-display_width (2.6.0)
@@ -53,7 +53,7 @@ DEPENDENCIES
   faussaire!
   rake (~> 13.0)
   rspec (~> 3.0)
-  rubocop (~> 1.21)
+  rubocop (~> 1.68)
 
 BUNDLED WITH
    2.4.21