Bump rubocop from 1.30.1 to 1.31.0

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.30.1 to 1.31.0.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.30.1...v1.31.0)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -18,7 +18,7 @@ GEM
     rake (13.0.6)
     regexp_parser (2.5.0)
     rexml (3.2.5)
-    rubocop (1.30.1)
+    rubocop (1.31.0)
       parallel (~> 1.10)
       parser (>= 3.1.0.0)
       rainbow (>= 2.2.2, < 4.0)
@@ -36,7 +36,7 @@ GEM
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
-    unicode-display_width (2.1.0)
+    unicode-display_width (2.2.0)
 
 PLATFORMS
   arm64-darwin-21