Bump rubocop from 1.66.1 to 1.68.0 (#693)

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.lock

@@ -62,7 +62,7 @@ GEM
     http_parser.rb (0.8.0)
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
-    json (2.7.2)
+    json (2.7.5)
     kramdown (2.4.0)
       rexml
     language_server-protocol (3.17.0.3)
@@ -134,7 +134,7 @@ GEM
       tilt (>= 1.4.1, < 3)
     padrino-support (0.15.3)
     parallel (1.26.3)
-    parser (3.3.5.0)
+    parser (3.3.5.1)
       ast (~> 2.4.1)
       racc
     parslet (2.0.0)
@@ -158,7 +158,7 @@ GEM
     regexp_parser (2.9.2)
     rexml (3.3.9)
     rouge (3.30.0)
-    rubocop (1.66.1)
+    rubocop (1.68.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -168,7 +168,7 @@ 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-oembed (0.18.0)
     ruby-progressbar (1.13.0)