build(deps): bump rubocop-ast from 0.3.0 to 0.4.0 in /Library/Homebrew

Bumps [rubocop-ast](https://github.com/rubocop-hq/rubocop-ast) from 0.3.0 to 0.4.0.
- [Release notes](https://github.com/rubocop-hq/rubocop-ast/releases)
- [Changelog](https://github.com/rubocop-hq/rubocop-ast/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop-hq/rubocop-ast/compare/v0.3.0...v0.4.0

)

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

Library/Homebrew/Gemfile.lock

@@ -107,7 +107,7 @@ GEM
       rubocop-ast (>= 0.3.0, < 1.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 2.0)
-    rubocop-ast (0.3.0)
+    rubocop-ast (0.4.0)
       parser (>= 2.7.1.4)
     rubocop-performance (1.8.0)
       rubocop (>= 0.87.0)