Bump jquery from 3.3.1 to 3.4.0 in /apps/block_scout_web/assets

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>

apps/block_scout_web/assets/package-lock.json

@@ -6723,9 +6723,9 @@
       }
     },
     "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-base64": {
       "version": "2.4.5",

apps/block_scout_web/assets/package.json

@@ -29,7 +29,7 @@
     "highlight.js": "^9.13.1",
     "highlightjs-solidity": "^1.0.6",
     "humps": "^2.0.1",
-    "jquery": "^3.3.1",
+    "jquery": "^3.4.0",
     "lodash": "^4.17.13",
     "moment": "^2.22.1",
     "nanomorph": "^5.1.3",