[mirotalksfu] - update dep to latest

public/sfu/MediasoupClient.js

@@ -394,6 +394,8 @@
                                 return false;
                             }
 
+                            let m;
+
                             // Is webkit? http://stackoverflow.com/a/16459606/376773
                             // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
                             return (
@@ -409,8 +411,8 @@
                                 // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
                                 (typeof navigator !== 'undefined' &&
                                     navigator.userAgent &&
-                                    navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) &&
-                                    parseInt(RegExp.$1, 10) >= 31) ||
+                                    (m = navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)) &&
+                                    parseInt(m[1], 10) >= 31) ||
                                 // Double check webkit in userAgent just in case we are in a worker
                                 (typeof navigator !== 'undefined' &&
                                     navigator.userAgent &&