build: bump mustache from 1.1.0 to 1.1.1 in /Library/Homebrew

Bumps [mustache](https://github.com/mustache/mustache) from 1.1.0 to 1.1.1.
- [Release notes](https://github.com/mustache/mustache/releases)
- [Changelog](https://github.com/mustache/mustache/blob/master/HISTORY.md)
- [Commits](https://github.com/mustache/mustache/compare/v1.1.0...v1.1.1

)

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

Library/Homebrew/Gemfile.lock

@@ -41,7 +41,7 @@ GEM
     mime-types-data (3.2019.1009)
     mini_portile2 (2.4.0)
     minitest (5.13.0)
-    mustache (1.1.0)
+    mustache (1.1.1)
     net-http-digest_auth (1.4.1)
     net-http-persistent (3.1.0)
       connection_pool (~> 2.2)