Bump rubocop-rspec from 1.30.1 to 1.31.0 in /Library/Homebrew/vendor

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

)

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

Library/Homebrew/vendor/Gemfile.lock

@@ -27,7 +27,7 @@ GEM
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.4.0)
-    rubocop-rspec (1.30.1)
+    rubocop-rspec (1.31.0)
       rubocop (>= 0.60.0)
     ruby-macho (2.1.0)
     ruby-progressbar (1.10.0)