Bump rubocop from 1.59.0 to 1.60.0

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.59.0 to 1.60.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.59.0...v1.60.0)

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

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

Gemfile.lock

@@ -68,7 +68,7 @@ GEM
     minitest (5.20.0)
     mutex_m (0.2.0)
     parallel (1.24.0)
-    parser (3.3.0.2)
+    parser (3.3.0.4)
       ast (~> 2.4.1)
       racc
     psych (5.1.2)
@@ -96,11 +96,11 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-support (3.12.1)
-    rubocop (1.59.0)
+    rubocop (1.60.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.2.2.4)
+      parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)