fix: bump rubocop from 1.37.0 to 1.38.0

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.37.0 to 1.38.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.37.0...v1.38.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -319,14 +319,14 @@ GEM
     rswag-ui (2.7.0)
       actionpack (>= 3.1, < 7.1)
       railties (>= 3.1, < 7.1)
-    rubocop (1.37.0)
+    rubocop (1.38.0)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.1.2.1)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.22.0, < 2.0)
+      rubocop-ast (>= 1.23.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
     rubocop-ast (1.23.0)