build: bump rubocop from 0.77.0 to 0.78.0 in /Library/Homebrew

Bumps [rubocop](https://github.com/rubocop-hq/rubocop) from 0.77.0 to 0.78.0.
- [Release notes](https://github.com/rubocop-hq/rubocop/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop-hq/rubocop/compare/v0.77.0...v0.78.0

)

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

Library/Homebrew/Gemfile.lock

@@ -80,7 +80,7 @@ GEM
     rspec-support (3.9.0)
     rspec-wait (0.0.9)
       rspec (>= 3, < 4)
-    rubocop (0.77.0)
+    rubocop (0.78.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.6)