[mirotalksfu] - update mediasoup

package.json

@@ -20,7 +20,7 @@
         "cors": "2.8.5",
         "express": "4.18.1",
         "httpolyglot": "0.1.2",
-        "mediasoup": "3.9.14",
+        "mediasoup": "3.9.15",
         "mediasoup-client": "3.6.52",
         "ngrok": "4.3.1",
         "@sentry/node": "6.19.7",