Bump xml2js, @nestjs/typeorm and typeorm in /server

Removes [xml2js](https://github.com/Leonidas-from-XIV/node-xml2js). It's no longer used after updating ancestor dependencies [xml2js](https://github.com/Leonidas-from-XIV/node-xml2js), [@nestjs/typeorm](https://github.com/nestjs/typeorm) and [typeorm](https://github.com/typeorm/typeorm). These dependencies need to be updated together.


Removes `xml2js`

Updates `@nestjs/typeorm` from 8.0.3 to 8.1.4
- [Release notes](https://github.com/nestjs/typeorm/releases)
- [Changelog](https://github.com/nestjs/typeorm/blob/master/.release-it.json)
- [Commits](nestjs/typeorm@8.0.3...8.1.4)

Updates `typeorm` from 0.2.45 to 0.3.17
- [Release notes](https://github.com/typeorm/typeorm/releases)
- [Changelog](https://github.com/typeorm/typeorm/blob/master/CHANGELOG.md)
- [Commits](typeorm/typeorm@0.2.45...0.3.17)

---
updated-dependencies:
- dependency-name: xml2js
  dependency-type: indirect
- dependency-name: "@nestjs/typeorm"
  dependency-type: direct:production
- dependency-name: typeorm
  dependency-type: direct:production
...

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