Bump express and @nestjs/platform-express

Bumps [express](https://github.com/expressjs/express) to 4.18.1 and updates ancestor dependency [@nestjs/platform-express](https://github.com/nestjs/nest). These dependencies need to be updated together.


Updates `express` from 4.17.1 to 4.18.1
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](https://github.com/expressjs/express/compare/4.17.1...4.18.1)

Updates `@nestjs/platform-express` from 8.0.6 to 8.4.7
- [Release notes](https://github.com/nestjs/nest/releases)
- [Commits](https://github.com/nestjs/nest/compare/v8.0.6...v8.4.7

)

---
updated-dependencies:
- dependency-name: express
  dependency-type: indirect
- dependency-name: "@nestjs/platform-express"
  dependency-type: direct:production
...

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

package.json

@@ -33,7 +33,7 @@
     "@nestjs/core": "^8.0.0",
     "@nestjs/jwt": "^8.0.0",
     "@nestjs/passport": "^8.2.1",
-    "@nestjs/platform-express": "^8.0.0",
+    "@nestjs/platform-express": "^8.4.7",
     "@nestjs/swagger": "^5.0.9",
     "@nestjs/terminus": "^9.1.4",
     "@nestjs/throttler": "^2.0.1",