Bump jquery from 3.3.1 to 3.4.0

Bumps [jquery](https://github.com/jquery/jquery) from 3.3.1 to 3.4.0.
- [Release notes](https://github.com/jquery/jquery/releases)
- [Commits](https://github.com/jquery/jquery/compare/3.3.1...3.4.0)

Signed-off-by: dependabot[bot] <support@github.com>

package-lock.json

       "from": "github:jitsi/jitsi-meet-logger#6fff754a77a56ab52499f3559105a15886942a1e"
     },
     "jquery": {
-      "version": "3.3.1",
-      "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.3.1.tgz",
-      "integrity": "sha512-Ubldcmxp5np52/ENotGxlLe6aGMvmF4R8S6tZjsP6Knsaxd/xp3Zrh50cG93lR6nPXyUFwzN3ZSOQI0wRJNdGg=="
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.4.0.tgz",
+      "integrity": "sha512-ggRCXln9zEqv6OqAGXFEcshF5dSBvCkzj6Gm2gzuR5fWawaX8t7cxKVkkygKODrDAzKdoYw3l/e3pm3vlT4IbQ=="
     },
     "jquery-contextmenu": {
       "version": "2.4.5",

package.json

     "i18next-xhr-backend": "3.0.0",
     "jQuery-Impromptu": "github:trentrichardson/jQuery-Impromptu#v6.0.0",
     "jitsi-meet-logger": "github:jitsi/jitsi-meet-logger#6fff754a77a56ab52499f3559105a15886942a1e",
-    "jquery": "3.3.1",
+    "jquery": "3.4.0",
     "jquery-contextmenu": "2.4.5",
     "jquery-i18next": "1.2.1",
     "js-md5": "0.6.1",