Bump rspec-retry from 0.6.0 to 0.6.1 in /Library/Homebrew/test

Bumps [rspec-retry](https://github.com/noredink/rspec-retry) from 0.6.0 to 0.6.1.
- [Release notes](https://github.com/noredink/rspec-retry/releases)
- [Changelog](https://github.com/NoRedInk/rspec-retry/blob/master/changelog.md)
- [Commits](https://github.com/noredink/rspec-retry/compare/v0.6.0...v0.6.1

)

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

Library/Homebrew/test/Gemfile.lock

@@ -31,7 +31,7 @@ GEM
     rspec-mocks (3.7.0)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.7.0)
-    rspec-retry (0.6.0)
+    rspec-retry (0.6.1)
       rspec-core (> 3.3)
     rspec-support (3.7.1)
     rspec-wait (0.0.9)