build(deps): bump net-http-persistent in /Library/Homebrew

Bumps [net-http-persistent](https://github.com/drbrain/net-http-persistent) from 3.1.0 to 4.0.0.
- [Release notes](https://github.com/drbrain/net-http-persistent/releases)
- [Changelog](https://github.com/drbrain/net-http-persistent/blob/master/History.txt)
- [Commits](https://github.com/drbrain/net-http-persistent/compare/v3.1.0...v4.0.0)

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

Library/Homebrew/Gemfile.lock

@@ -43,7 +43,7 @@ GEM
     minitest (5.14.0)
     mustache (1.1.1)
     net-http-digest_auth (1.4.1)
-    net-http-persistent (3.1.0)
+    net-http-persistent (4.0.0)
       connection_pool (~> 2.2)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)