audio/spotifyd: upgrade to 0.3.0 and fix panic after rust update

Major changes:
    - Changed the config format from ini to TOML
      Make sure to update your config file accordingly[1].
    - Expose volume trough dbus
    - Add an option to disable dbus

Introduce two temporary patches to :
 - Fix panic reported in upstream bug system #719[2] - fixed in future
 - Fix compilation issue with FreeBSD (Merged after 0.3.0[3] release)

[1] https://github.com/Spotifyd/spotifyd/blob/master/docs/src/config/File.md
[2] Spotifyd/spotifyd#719
[3] Spotifyd/spotifyd@a352eab

PR:		251968
Submitted by:	<nick.rozhkov@gmail.com>


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@565003 35697150-7ecd-e111-bb59-0022644237b5

UPDATING

@@ -5,6 +5,15 @@ they are unavoidable.
 You should get into the habit of checking this file for changes each time
 you update your ports collection, before attempting any port upgrades.
 
+20210210:
+  AFFECTS: users of audio/spotifyd
+  AUTHOR: rodrigo@FreeBSD.org
+
+  The configuration format for audio/spotifyd is now TOML, make
+  sure to update your configuration file after upgrading the port.
+  Look at the sample configuration file for a working example.
+  https://github.com/Spotifyd/spotifyd/blob/master/docs/src/config/File.md
+
 20210208:
   AFFECTS: users of mail/mailscanner
   AUTHOR: crees@FreeBSD.org