chore(deps-dev): bump express from 4.19.2 to 4.21.0

Bumps [express](https://github.com/expressjs/express) from 4.19.2 to 4.21.0.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/4.21.0/History.md)
- [Commits](expressjs/express@4.19.2...4.21.0)

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

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

package.json

@@ -143,7 +143,7 @@
     "eslint-plugin-react": "^7.34.3",
     "esm": "=3.2.25",
     "expect": "=29.7.0",
-    "express": "^4.19.2",
+    "express": "^4.21.0",
     "git-describe": "^4.1.0",
     "html-webpack-plugin": "^5.5.1",
     "html-webpack-skip-assets-plugin": "^1.0.4",