Bump rubocop from 0.75.1 to 0.76.0 (#20)

Bumps [rubocop](https://github.com/rubocop-hq/rubocop) from 0.75.1 to 0.76.0.
- [Release notes](https://github.com/rubocop-hq/rubocop/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop/blob/master/CHANGELOG.md)
- [Commits](rubocop/rubocop@v0.75.1...v0.76.0)

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

Author: dependabot-preview[bot]

Gemfile.lock

@@ -286,7 +286,7 @@ GEM
       psych (~> 3.1.0)
       rainbow (>= 2.0, < 4.0)
     rouge (3.11.0)
-    rubocop (0.75.1)
+    rubocop (0.76.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.6)