Bump body-parser and @nestjs/platform-express in /packages/migrate

Bumps [body-parser](https://github.com/expressjs/body-parser) to 1.20.3 and updates ancestor dependency [@nestjs/platform-express](https://github.com/nestjs/nest/tree/HEAD/packages/platform-express). These dependencies need to be updated together.


Updates `body-parser` from 1.20.2 to 1.20.3
- [Release notes](https://github.com/expressjs/body-parser/releases)
- [Changelog](https://github.com/expressjs/body-parser/blob/master/HISTORY.md)
- [Commits](expressjs/body-parser@1.20.2...1.20.3)

Updates `@nestjs/platform-express` from 10.4.1 to 10.4.6
- [Release notes](https://github.com/nestjs/nest/releases)
- [Commits](https://github.com/nestjs/nest/commits/v10.4.6/packages/platform-express)

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

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