Bump rubocop from 1.30.0 to 1.30.1 (#191)

Bumps [rubocop](https://github.com/rubocop/rubocop) from 1.30.0 to 1.30.1.
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v1.30.0...v1.30.1)

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

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

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

Gemfile.lock

@@ -18,7 +18,7 @@ GEM
     rake (13.0.6)
     rake-compiler (1.2.0)
       rake
-    regexp_parser (2.4.0)
+    regexp_parser (2.5.0)
     rexml (3.2.5)
     rspec (3.11.0)
       rspec-core (~> 3.11.0)
@@ -33,7 +33,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.11.0)
     rspec-support (3.11.0)
-    rubocop (1.30.0)
+    rubocop (1.30.1)
       parallel (~> 1.10)
       parser (>= 3.1.0.0)
       rainbow (>= 2.2.2, < 4.0)