Bump rubocop from 1.56.3 to 1.56.4

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.56.3 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@v1.56.3...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.lock

@@ -390,7 +390,7 @@ GEM
       rspec-mocks (~> 3.0)
       sidekiq (>= 5, < 8)
     rspec-support (3.12.1)
-    rubocop (1.56.3)
+    rubocop (1.56.4)
       base64 (~> 0.1.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
@@ -477,7 +477,7 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.8)
-    unicode-display_width (2.4.2)
+    unicode-display_width (2.5.0)
     uniform_notifier (1.16.0)
     warden (1.2.9)
       rack (>= 2.0.9)