build(deps-dev): bump rubocop from 1.56.2 to 1.56.4

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.56.2 to 1.56.4.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.56.2...v1.56.4)

---
updated-dependencies:
- dependency-name: rubocop
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Gemfile

@@ -89,7 +89,7 @@ group :test do
   gem 'rspec-rails', '~> 6.0.3'
   gem 'rspec-wait'
   gem 'rspec_api_documentation', '>= 6.1.0'
-  gem 'rubocop', '~> 1.56.2'
+  gem 'rubocop', '~> 1.56.4'
   gem 'timecop'
   gem 'webmock', '> 2.3.1'
 end

Gemfile.lock

@@ -445,7 +445,7 @@ GEM
       activesupport (>= 3.0.0)
       mustache (~> 1.0, >= 0.99.4)
       rspec (~> 3.0)
-    rubocop (1.56.2)
+    rubocop (1.56.4)
       base64 (~> 0.1.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
@@ -622,7 +622,7 @@ DEPENDENCIES
   rspec-rails (~> 6.0.3)
   rspec-wait
   rspec_api_documentation (>= 6.1.0)
-  rubocop (~> 1.56.2)
+  rubocop (~> 1.56.4)
   rubyzip (>= 1.3.0)
   sequel (~> 5.72)
   sequel_pg