Update dependency podcast_search to ^0.7.0

pubspec.yaml

@@ -56,7 +56,7 @@ dependencies:
       url: https://github.com/Feichtmeier/phoenix_theme
       ref: 4486490240ba42cc668079064ad41f3ae8869d01
   pls: ^1.1.0
-  podcast_search: ^0.6.9
+  podcast_search: ^0.7.0
   radio_browser_api: ^2.0.0+1
   reorderableitemsview: ^2.0.1
   safe_change_notifier: ^0.3.2