Bump @types/express from 4.17.20 to 4.17.21

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]>

yarn.lock

@@ -4747,14 +4747,14 @@ __metadata:
   linkType: hard
 
 "@types/express@npm:*, @types/express@npm:^4.17.19":
-  version: 4.17.20
-  resolution: "@types/express@npm:4.17.20"
+  version: 4.17.21
+  resolution: "@types/express@npm:4.17.21"
   dependencies:
     "@types/body-parser": "*"
     "@types/express-serve-static-core": ^4.17.33
     "@types/qs": "*"
     "@types/serve-static": "*"
-  checksum: bf8a97d283128e5129f9ccabbeef728ff3f0484465e0ae74a304bd0588fa6cb715ae68845650caba9a641944b7791ba125d02ddbd47a7e62aaefdd036570c6c5
+  checksum: fb238298630370a7392c7abdc80f495ae6c716723e114705d7e3fb67e3850b3859bbfd29391463a3fb8c0b32051847935933d99e719c0478710f8098ee7091c5
   languageName: node
   linkType: hard