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](https://github.com/rubocop/rubocop/compare/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] <support@github.com>

Gemfile.lock

@@ -519,7 +519,7 @@ GEM
       rspec-mocks (~> 3.10)
       rspec-support (~> 3.10)
     rspec-support (3.11.0)
-    rubocop (1.56.2)
+    rubocop (1.56.4)
       base64 (~> 0.1.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
@@ -755,7 +755,7 @@ DEPENDENCIES
   rinku (~> 2.0.6)
   ros-apartment (~> 2.11.0)
   rspec-rails (~> 5.1.2)
-  rubocop (~> 1.56.2)
+  rubocop (~> 1.56.4)
   rubocop-capybara (~> 2.18.0)
   rubocop-factory_bot (~> 2.24.0)
   rubocop-performance (~> 1.19.0)