chore(l10n): update Japanese translations

Currently translated at 100.0% (75 of 75 strings)

Translation: Fossify/Music-Player
Translate-URL: https://hosted.weblate.org/projects/fossify/music-player/ja/
Via: Weblate

Author: noimzip

app/src/main/res/values-ja/strings.xml

@@ -78,4 +78,5 @@
     <string name="genres">ジャンル</string>
     <string name="rescan_media">メディアを再スキャン</string>
     <string name="play_next">次を再生</string>
-</resources>
+    <string name="track_on_disk">%2$s トラック %1$d ディスク</string>
+</resources>