Add support for Homebrew and Chocolatey (#9187)

stubs/JACK-Client/METADATA.toml

@@ -2,5 +2,9 @@ version = "0.5.*"
 
 [tool.stubtest]
 ignore_missing_stub = false
-platforms = ["linux"]
+# darwin and win32 are equivalent
+platforms = ["linux", "darwin"]
 apt_dependencies = ["libjack-dev"]
+brew_dependencies = ["jack"]
+# No need to install on the CI. Leaving here as information for Windows contributors.
+# choco_dependencies = ["jack"]