Bump rubocop from 1.63.5 to 1.64.0 (#484)

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.63.5 to 1.64.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.63.5...v1.64.0)

---
updated-dependencies:
- dependency-name: rubocop
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -140,7 +140,7 @@ GEM
       pronto (~> 0.11.0)
       sorbet (~> 0.5.0)
     public_suffix (5.0.4)
-    racc (1.7.3)
+    racc (1.8.0)
     rack (3.0.11)
     rails-dom-testing (2.2.0)
       activesupport (>= 5.0.0)
@@ -170,7 +170,7 @@ GEM
     require_all (3.0.0)
     rexml (3.2.8)
       strscan (>= 3.0.9)
-    rubocop (1.63.5)
+    rubocop (1.64.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)