chore: bump jquery from 3.3.1 to 3.4.0 in /client

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>

client/package-lock.json

@@ -13339,9 +13339,9 @@
       }
     },
     "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-levenshtein": {
       "version": "1.1.6",

client/package.json

@@ -34,7 +34,7 @@
     "gatsby-remark-prismjs": "^3.2.11",
     "gatsby-source-filesystem": "^2.0.38",
     "gatsby-transformer-remark": "^2.3.12",
-    "jquery": "3.3.1",
+    "jquery": "3.4.0",
     "lodash": "^4.17.11",
     "loop-protect": "^2.1.6",
     "monaco-editor-webpack-plugin": "^1.7.0",