chore: update LJM to 1bfc96a287

Updates LJM in order to stop printing few obsolete error messages.

package-lock.json

       }
     },
     "lib-jitsi-meet": {
-      "version": "github:jitsi/lib-jitsi-meet#1bfc96a2876d6527bfa27cf46d4f1e9f6e65edbc",
-      "from": "github:jitsi/lib-jitsi-meet#1bfc96a2876d6527bfa27cf46d4f1e9f6e65edbc",
+      "version": "github:jitsi/lib-jitsi-meet#1c5fd72b2a88d4214ccd17a1da60413ae944c862",
+      "from": "github:jitsi/lib-jitsi-meet#1c5fd72b2a88d4214ccd17a1da60413ae944c862",
       "requires": {
         "@jitsi/sdp-interop": "0.1.14",
         "@jitsi/sdp-simulcast": "0.2.1",

package.json

     "js-utils": "github:jitsi/js-utils#73a67a7a60d52f8e895f50939c8fcbd1f20fe7b5",
     "jsrsasign": "8.0.12",
     "jwt-decode": "2.2.0",
-    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#1bfc96a2876d6527bfa27cf46d4f1e9f6e65edbc",
+    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#1c5fd72b2a88d4214ccd17a1da60413ae944c862",
     "libflacjs": "github:mmig/libflac.js#93d37e7f811f01cf7d8b6a603e38bd3c3810907d",
     "lodash": "4.17.11",
     "moment": "2.19.4",