chore: update AltStore source to v3.8.6

apps.json

@@ -12,7 +12,7 @@
       "downloadURL": "https://github.com/zarzet/SpotiFLAC-Mobile/releases/download/v3.8.6/SpotiFLAC-v3.8.6-ios-unsigned.ipa",
       "localizedDescription": "Mobile version of SpotiFLAC written in Flutter. Download Tracks in true FLAC from Tidal, Qobuz, & Amazon Music.",
       "iconURL": "https://raw.githubusercontent.com/zarzet/SpotiFLAC-Mobile/main/assets/images/logo.png",
-      "size": 33676960
+      "size": 33676982
     }
   ]
 }