chore(deps-dev): bump rubocop from 0.87.1 to 0.88.0 (#15)

Bumps [rubocop](https://github.com/rubocop-hq/rubocop) from 0.87.1 to 0.88.0.
- [Release notes](https://github.com/rubocop-hq/rubocop/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v0.87.1...v0.88.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

Gemfile

@@ -29,5 +29,5 @@ end
 gem 'wdm', '~> 0.1.1', platforms: %i[mingw x64_mingw mswin]
 
 group :development do
-  gem 'rubocop', '~> 0.87'
+  gem 'rubocop', '~> 0.88'
 end

Gemfile.lock

@@ -126,7 +126,7 @@ GEM
       nokogiri
     rexml (3.2.4)
     rouge (3.20.0)
-    rubocop (0.87.1)
+    rubocop (0.88.0)
       parallel (~> 1.10)
       parser (>= 2.7.1.1)
       rainbow (>= 2.2.2, < 4.0)
@@ -169,7 +169,7 @@ DEPENDENCIES
   jekyll-sitemap
   jekyll-target-blank
   just-the-docs
-  rubocop (~> 0.87)
+  rubocop (~> 0.88)
   tzinfo (~> 1.2)
   tzinfo-data
   wdm (~> 0.1.1)