build(deps): bump express in /packages/react-searchbox/examples/with-ssr

Bumps [express](https://github.com/expressjs/express) from 4.17.1 to 4.20.0.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@4.17.1...4.20.0)

---
updated-dependencies:
- dependency-name: express
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

packages/react-searchbox/examples/with-ssr/package.json

@@ -28,7 +28,7 @@
     },
     "dependencies": {
         "@appbaseio/react-searchbox": "1.9.0",
-        "express": "4.17.1",
+        "express": "4.20.0",
         "prop-types": "15.6.0",
         "react": "17.0.2",
         "react-dom": "17.0.2"