build(deps-dev): [security] 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. **This update includes security fixes.**
- [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-preview[bot] <support@dependabot.com>

dapps/tests/app/package.json

@@ -9,7 +9,7 @@
     "embark-reset": "^4.1.0",
     "fs-extra": "7.0.1",
     "haml": "0.4.3",
-    "jquery": "3.3.1",
+    "jquery": "3.4.0",
     "react": "16.7.0",
     "react-bootstrap": "0.32.4",
     "react-dom": "16.7.0",

yarn.lock

@@ -11690,10 +11690,10 @@ joi@^11.1.1:
     isemail "3.x.x"
     topo "2.x.x"
 
-jquery@3.3.1:
-  version "3.3.1"
-  resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.3.1.tgz#958ce29e81c9790f31be7792df5d4d95fc57fbca"
-  integrity sha512-Ubldcmxp5np52/ENotGxlLe6aGMvmF4R8S6tZjsP6Knsaxd/xp3Zrh50cG93lR6nPXyUFwzN3ZSOQI0wRJNdGg==
+jquery@3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.4.0.tgz#8de513fa0fa4b2c7d2e48a530e26f0596936efdf"
+  integrity sha512-ggRCXln9zEqv6OqAGXFEcshF5dSBvCkzj6Gm2gzuR5fWawaX8t7cxKVkkygKODrDAzKdoYw3l/e3pm3vlT4IbQ==
 
 js-base64@^2.1.8:
   version "2.4.9"