deps(ljm) - detect old Edge browser and mark it as unsupported

package-lock.json

       "integrity": "sha1-mGbfOVECEw449/mWvOtlRDIJwls="
     },
     "js-utils": {
-      "version": "github:jitsi/js-utils#0a8ea63983863e38d062f91fc42883270ccdb38c",
-      "from": "github:jitsi/js-utils#0a8ea63983863e38d062f91fc42883270ccdb38c",
+      "version": "github:jitsi/js-utils#8567f86ec2774ae1d1c47b22e3435928cf5d9771",
+      "from": "github:jitsi/js-utils#8567f86ec2774ae1d1c47b22e3435928cf5d9771",
       "requires": {
         "bowser": "2.7.0",
         "js-md5": "0.7.3",
       }
     },
     "lib-jitsi-meet": {
-      "version": "github:jitsi/lib-jitsi-meet#6a3673140d27ef0508458954070d4395527be978",
-      "from": "github:jitsi/lib-jitsi-meet#6a3673140d27ef0508458954070d4395527be978",
+      "version": "github:jitsi/lib-jitsi-meet#463f741cb6c76bb41490c0bc50728e4767f648ba",
+      "from": "github:jitsi/lib-jitsi-meet#463f741cb6c76bb41490c0bc50728e4767f648ba",
       "requires": {
         "@jitsi/sdp-interop": "0.1.14",
         "@jitsi/sdp-simulcast": "0.2.2",
         "async": "0.9.0",
         "current-executing-script": "0.1.3",
         "jitsi-meet-logger": "github:jitsi/jitsi-meet-logger#5ec92357570dc8f0b7ffc1528820721c84c6af8b",
-        "js-utils": "github:jitsi/js-utils#0a8ea63983863e38d062f91fc42883270ccdb38c",
+        "js-utils": "github:jitsi/js-utils#8567f86ec2774ae1d1c47b22e3435928cf5d9771",
         "lodash.isequal": "4.5.0",
         "sdp-transform": "2.3.0",
         "strophe.js": "1.2.16",

package.json

     "jquery-contextmenu": "2.4.5",
     "jquery-i18next": "1.2.1",
     "js-md5": "0.6.1",
-    "js-utils": "github:jitsi/js-utils#0a8ea63983863e38d062f91fc42883270ccdb38c",
+    "js-utils": "github:jitsi/js-utils#8567f86ec2774ae1d1c47b22e3435928cf5d9771",
     "jsrsasign": "8.0.12",
     "jwt-decode": "2.2.0",
-    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#6a3673140d27ef0508458954070d4395527be978",
+    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#463f741cb6c76bb41490c0bc50728e4767f648ba",
     "libflacjs": "github:mmig/libflac.js#93d37e7f811f01cf7d8b6a603e38bd3c3810907d",
     "lodash": "4.17.13",
     "moment": "2.19.4",