fix(deps) bump lodash

Fixes: https://github.com/jitsi/jitsi-meet/issues/8683

package-lock.json

       }
     },
     "lodash": {
-      "version": "4.17.19",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "lodash.clonedeep": {
       "version": "4.5.0",

package.json

     "jwt-decode": "2.2.0",
     "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#9beb47fe5f5ae9caf0b206588e14fa676479ce31",
     "libflacjs": "github:mmig/libflac.js#93d37e7f811f01cf7d8b6a603e38bd3c3810907d",
-    "lodash": "4.17.19",
+    "lodash": "4.17.21",
     "moment": "2.19.4",
     "moment-duration-format": "2.2.2",
     "olm": "https://packages.matrix.org/npm/olm/olm-3.2.1.tgz",