chore(deps): bump express and @types/express

Bumps [express](https://github.com/expressjs/express) and [@types/express](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/express). These dependencies needed to be updated together.

Updates `express` from 4.18.2 to 4.19.1
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@4.18.2...4.19.1)

Updates `@types/express` from 4.17.14 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: express
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: "@types/express"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -59,7 +59,7 @@
     "@microsoft/api-extractor": "^7.33.5",
     "@types/body-parser": "1.19.2",
     "@types/debug": "^4.1.7",
-    "@types/express": "4.17.14",
+    "@types/express": "4.17.21",
     "@types/google-protobuf": "^3.15.6",
     "@types/lodash": "^4.14.187",
     "@types/minimist": "1.2.2",