chore(deps): update lib for duplicate device list event fix (#3413)

package-lock.json

       }
     },
     "lib-jitsi-meet": {
-      "version": "github:jitsi/lib-jitsi-meet#41592c774ab234cc45a0a083e3a3f0bf7f7b54fe",
-      "from": "github:jitsi/lib-jitsi-meet#41592c774ab234cc45a0a083e3a3f0bf7f7b54fe",
+      "version": "github:jitsi/lib-jitsi-meet#21a799370d6ecc281e1c0ddd93a5a7373bb15cb0",
+      "from": "github:jitsi/lib-jitsi-meet#21a799370d6ecc281e1c0ddd93a5a7373bb15cb0",
       "requires": {
         "@jitsi/sdp-interop": "0.1.13",
         "@jitsi/sdp-simulcast": "0.2.1",

package.json

     "jsc-android": "224109.1.0",
     "jsrsasign": "8.0.12",
     "jwt-decode": "2.2.0",
-    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#41592c774ab234cc45a0a083e3a3f0bf7f7b54fe",
+    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#21a799370d6ecc281e1c0ddd93a5a7373bb15cb0",
     "libflacjs": "github:mmig/libflac.js#93d37e7f811f01cf7d8b6a603e38bd3c3810907d",
     "lodash": "4.17.4",
     "moment": "2.19.4",