audio/spotifyd: Update to v0.3.5

Major changes in v0.3.4:
    * Implement the PropertiesChanged and Seeked events for the MPRIS-interface
    * Add cache_size configuration option
    * Add dbus_type configuration option
    * Make spotifyd bus name unique
    * Fix wrong handling of credential cache

Major changes in v0.3.5:
    * TransferPlayback D-Bus method to transfer the playback to spotifyd
    * A audio_format option was added to circumvent certain errors
    * A setter was added to the Shuffle property
    * volume_control = "none" variant to disable changing the volume in clients
    * The librespot dependency has been upgraded to the most recent release

Full changelog: https://github.com/Spotifyd/spotifyd/releases

Port update:
    * Add Makefile.crates to store CARGO_CRATES dependencies