Build(deps): Bump rubocop from 1.67.0 to 1.68.0 in /spec

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.67.0 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@v1.67.0...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]>

spec/Gemfile

@@ -2,4 +2,4 @@ source 'https://rubygems.org'
 
 gem 'bosh-template'
 gem 'rspec'
-gem 'rubocop', '~> 1.67.0'
+gem 'rubocop', '~> 1.68.0'

spec/Gemfile.lock

@@ -5,7 +5,7 @@ GEM
     bosh-template (2.4.0)
       semi_semantic (~> 1.2.0)
     diff-lcs (1.5.1)
-    json (2.7.2)
+    json (2.7.5)
     language_server-protocol (3.17.0.3)
     parallel (1.26.3)
     parser (3.3.5.0)
@@ -27,7 +27,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.1)
-    rubocop (1.67.0)
+    rubocop (1.68.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -37,7 +37,7 @@ 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-progressbar (1.13.0)
     semi_semantic (1.2.0)
@@ -49,7 +49,7 @@ PLATFORMS
 DEPENDENCIES
   bosh-template
   rspec
-  rubocop (~> 1.67.0)
+  rubocop (~> 1.68.0)
 
 BUNDLED WITH
    2.4.13