[path_provider] Publish fully federated version (#4497)
[path_provider] Publish fully federated version (#4497)

Now that the iOS and Android implementation packages are published,
switch to them and re-enable publishing.

Part of https://github.com/flutter/flutter/issues/68498
flutter/plugins,flutter/plugins,flutter/plugins,flutter/plugins,flutter/plugins,flutter/plugins,flutter/plugins,flutter/plugins