Bump @types/express from 4.17.20 to 4.17.21 (#637)

Bumps [@types/express](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/express) from 4.17.20 to 4.17.21.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/express)

---
updated-dependencies:
- dependency-name: "@types/express"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -90,7 +90,7 @@
     "@stoplight/spectral-cli": "^6.11.0",
     "@types/aws-lambda": "^8.10.125",
     "@types/cors": "^2.8.17",
-    "@types/express": "^4.17.20",
+    "@types/express": "^4.17.21",
     "@types/http-errors": "^2.0.3",
     "@types/luxon": "^3.3.3",
     "@types/memorystream": "^0.3.3",