build(deps-dev): bump sorbet in /Library/Homebrew

Bumps [sorbet](https://github.com/sorbet/sorbet) from 0.5.9267 to 0.5.9271.
- [Release notes](https://github.com/sorbet/sorbet/releases)
- [Commits](https://github.com/sorbet/sorbet/commits

)

---
updated-dependencies:
- dependency-name: sorbet
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Library/Homebrew/Gemfile.lock

@@ -157,11 +157,11 @@ GEM
       simplecov (~> 0.8)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.3)
-    sorbet (0.5.9267)
-      sorbet-static (= 0.5.9267)
+    sorbet (0.5.9271)
+      sorbet-static (= 0.5.9271)
     sorbet-runtime (0.5.9267)
     sorbet-runtime-stub (0.2.0)
-    sorbet-static (0.5.9267-universal-darwin-14)
+    sorbet-static (0.5.9271-universal-darwin-14)
     spoom (1.1.5)
       sorbet (>= 0.5.9204)
       sorbet-runtime (>= 0.5.9204)