build(deps): bump msgpack from 1.5.5 to 1.5.6 in /Library/Homebrew

Bumps [msgpack](https://github.com/msgpack/msgpack-ruby) from 1.5.5 to 1.5.6.
- [Release notes](https://github.com/msgpack/msgpack-ruby/releases)
- [Changelog](https://github.com/msgpack/msgpack-ruby/blob/master/ChangeLog)
- [Commits](https://github.com/msgpack/msgpack-ruby/compare/v1.5.5...v1.5.6)

---
updated-dependencies:
- dependency-name: msgpack
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Library/Homebrew/Gemfile.lock

@@ -58,7 +58,7 @@ GEM
     mime-types-data (3.2022.0105)
     mini_portile2 (2.8.0)
     minitest (5.16.3)
-    msgpack (1.5.5)
+    msgpack (1.5.6)
     mustache (1.1.1)
     net-http-digest_auth (1.4.1)
     net-http-persistent (4.0.1)