build(deps): bump mechanize from 2.8.3 to 2.8.4 in /Library/Homebrew

Bumps [mechanize](https://github.com/sparklemotion/mechanize) from 2.8.3 to 2.8.4.
- [Release notes](https://github.com/sparklemotion/mechanize/releases)
- [Changelog](https://github.com/sparklemotion/mechanize/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sparklemotion/mechanize/compare/v2.8.3...v2.8.4)

---
updated-dependencies:
- dependency-name: mechanize
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Library/Homebrew/Gemfile.lock

@@ -40,7 +40,7 @@ GEM
       hana (~> 1.3)
       regexp_parser (~> 2.0)
       uri_template (~> 0.7)
-    mechanize (2.8.3)
+    mechanize (2.8.4)
       addressable (~> 2.8)
       domain_name (~> 0.5, >= 0.5.20190701)
       http-cookie (~> 1.0, >= 1.0.3)