build(deps): bump typeorm in /flightSelection-backend/src/nestjs

Bumps [typeorm](https://github.com/typeorm/typeorm) from 0.3.20 to 0.3.27.
- [Release notes](https://github.com/typeorm/typeorm/releases)
- [Changelog](https://github.com/typeorm/typeorm/blob/master/CHANGELOG.md)
- [Commits](typeorm/typeorm@0.3.20...0.3.27)

---
updated-dependencies:
- dependency-name: typeorm
  dependency-version: 0.3.27
  dependency-type: direct:production
...

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Author: dependabot[bot]