Bump jquery from 3.3.1 to 3.4.0 in /app

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>

app/package-lock.json

@@ -2491,9 +2491,9 @@
       }
     },
     "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=="
     },
     "js-tokens": {
       "version": "3.0.2",

app/package.json

@@ -40,7 +40,7 @@
     "fetch-cached": "^2.0.3",
     "font-awesome": "^4.7.0",
     "immutable": "^3.8.1",
-    "jquery": "^3.2.1",
+    "jquery": "^3.4.0",
     "lodash": "^4.17.13",
     "lodash-es": "^4.17.4",
     "moment": "^2.18.1",

app/yarn.lock

@@ -1006,9 +1006,9 @@ isobject@^2.0.0:
   dependencies:
     isarray "1.0.0"
 
-jquery@^3.2.1:
-  version "3.3.1"
-  resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.3.1.tgz#958ce29e81c9790f31be7792df5d4d95fc57fbca"
+jquery@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.4.0.tgz#8de513fa0fa4b2c7d2e48a530e26f0596936efdf"
 
 js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"