Added dependency on path_provider_macos.
Added dependency on path_provider_macos.

Needed to support macOS.
google/taqo-paco,google/taqo-paco,google/taqo-paco,google/taqo-paco,google/taqo-paco,google/taqo-paco,google/taqo-paco,google/taqo-paco,google/taqo-paco