Bump parallel from 1.12.1 to 1.13.0 in /Library/Homebrew/vendor

Bumps [parallel](https://github.com/grosser/parallel) from 1.12.1 to 1.13.0.
- [Release notes](https://github.com/grosser/parallel/releases)
- [Commits](grosser/parallel@v1.12.1...v1.13.0)

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

Library/Homebrew/vendor/Gemfile.lock

@@ -13,7 +13,7 @@ GEM
       concurrent-ruby (~> 1.0)
     jaro_winkler (1.5.2)
     minitest (5.11.3)
-    parallel (1.12.1)
+    parallel (1.13.0)
     parser (2.6.0.0)
       ast (~> 2.4.0)
     plist (3.5.0)