chore: change spanish RSS-feed to new RSS-feed (#1309)

* chore: change spanish RSS-feed to new RSS-feed

* chore: change more URLS

* fix: lint error

mobile-api/src/podcast-feed-urls.json

@@ -2,12 +2,11 @@
   "feedUrls": [
     "https://feed.syntax.fm/rss",
     "https://changelog.com/podcast/feed",
-    "https://pinecast.com/feed/ladybug-podcast",
     "https://freecodecamp.libsyn.com/rss",
     "http://feeds.codenewbie.org/cnpodcast.xml",
     "https://feeds.transistor.fm/scrimba",
-    "https://feeds.transistor.fm/freecodecamp-podcast-en-espanol",
-    "https://feeds.transistor.fm/freecodecamp-podcast-in-chinese",
-    "https://feeds.transistor.fm/freecodecamp-podcast-em-portugues"
+    "https://anchor.fm/s/ff0092f4/podcast/rss",
+    "https://anchor.fm/s/ff054de4/podcast/rss",
+    "https://anchor.fm/s/ff026c00/podcast/rss"
   ]
 }

mobile-app/lib/ui/views/podcast/podcast-list/podcast_list_viewmodel.dart

@@ -9,10 +9,14 @@ import 'package:path_provider/path_provider.dart';
 import 'package:stacked/stacked.dart';
 
 const fccPodcastUrls = [
+  // English
   'https://freecodecamp.libsyn.com/rss',
-  'https://feeds.transistor.fm/freecodecamp-podcast-en-espanol',
-  'https://feeds.transistor.fm/freecodecamp-podcast-in-chinese',
-  'https://feeds.transistor.fm/freecodecamp-podcast-em-portugues',
+  // Spanish
+  'https://anchor.fm/s/ff0092f4/podcast/rss',
+  // Chinese
+  'https://anchor.fm/s/ff054de4/podcast/rss',
+  // Portuguese
+  'https://anchor.fm/s/ff026c00/podcast/rss',
 ];
 
 class PodcastListViewModel extends BaseViewModel {