Bump express from 4.16.4 to 4.17.3

Bumps [express](https://github.com/expressjs/express) from 4.16.4 to 4.17.3.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@4.16.4...4.17.3)

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

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

Author: dependabot[bot]

package.json

@@ -87,7 +87,7 @@
     "emotion": "^9.1.3",
     "emotion-server": "^9.2.12",
     "eslint-plugin-emotion": "^10.0.7",
-    "express": "^4.16.4",
+    "express": "^4.17.3",
     "extract-react-types-loader": "^0.3.0",
     "fs-extra": "^7.0.1",
     "git-url-parse": "^11.1.2",