build(deps): bump express, @nestjs/platform-express and nest-shared

Bumps [express](https://github.com/expressjs/express) to 4.21.0 and updates ancestor dependencies [express](https://github.com/expressjs/express), [@nestjs/platform-express](https://github.com/nestjs/nest/tree/HEAD/packages/platform-express) and [nest-shared](https://github.com/hebertcisco/nest-shared). These dependencies need to be updated together.


Updates `express` from 4.18.2 to 4.21.0
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/4.21.0/History.md)
- [Commits](expressjs/express@4.18.2...4.21.0)

Updates `@nestjs/platform-express` from 10.2.8 to 10.4.3
- [Release notes](https://github.com/nestjs/nest/releases)
- [Commits](https://github.com/nestjs/nest/commits/v10.4.3/packages/platform-express)

Updates `nest-shared` from 5.0.3 to 5.0.6
- [Release notes](https://github.com/hebertcisco/nest-shared/releases)
- [Changelog](https://github.com/hebertcisco/nest-shared/blob/main/.releaserc.json)
- [Commits](hebertcisco/nest-shared@v5.0.3...v5.0.6)

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

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