chore: japan list of langs

src/assets/i18n/ja.json

@@ -209,8 +209,8 @@
     "ITALIAN": "イタリア語",
     "TURKISH": "トルコ語",
     "JAPANESE": "日本語",
-    "DUTCH": "Nederlands",
-    "BELARUSIAN": "Беларуская"
+    "DUTCH": "オランダ語",
+    "BELARUSIAN": "ベラルーシ語"
   },
   "YES": "はい",
   "NO": "いいえ",