fix(music): auto-leave 3min, voice disconnect, playlist limit 10

- Auto-leave timer: 2 -> 3 min
- Proper voice disconnect via JDA AudioManager on auto-leave
- Remove DEBUG stats log (change to TRACE)
- Increase playlistLoadLimit to 10 (up to 1000 tracks)
- Remove preferPartnerApi (Partner API anon token broken)

lavalink/application.yml

@@ -33,7 +33,7 @@ lavalink:
   plugins:
     - dependency: "dev.lavalink.youtube:youtube-plugin:1.18.1"
       repository: "https://maven.lavalink.dev/releases"
-    - dependency: "com.github.topi314.lavasrc:lavasrc-plugin:4.8.2"
+    - dependency: "com.github.topi314.lavasrc:lavasrc-plugin:4.8.3"
       repository: "https://maven.topi.wtf/releases"
   server:
     password: "Hch4HiVCxkKs9JPiSnrt4Q"