build(deps): bump multer and @nestjs/platform-express

Bumps [multer](https://github.com/expressjs/multer) to 2.0.0 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 `multer` from 1.4.5-lts.2 to 2.0.0
- [Release notes](https://github.com/expressjs/multer/releases)
- [Changelog](https://github.com/expressjs/multer/blob/main/CHANGELOG.md)
- [Commits](expressjs/multer@v1.4.5-lts.2...v2.0.0)

Updates `@nestjs/platform-express` from 11.0.16 to 11.1.2
- [Release notes](https://github.com/nestjs/nest/releases)
- [Commits](https://github.com/nestjs/nest/commits/v11.1.2/packages/platform-express)

---
updated-dependencies:
- dependency-name: multer
  dependency-version: 2.0.0
  dependency-type: indirect
- dependency-name: "@nestjs/platform-express"
  dependency-version: 11.1.2
  dependency-type: direct:production
...

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

Author: dependabot[bot]

flightSelection-backend/src/nestjs/package-lock.json

@@ -23,7 +23,7 @@
     "@nestjs/common": "^11.0.16",
     "@nestjs/config": "^4.0.2",
     "@nestjs/core": "^11.0.16",
-    "@nestjs/platform-express": "^11.0.16",
+    "@nestjs/platform-express": "^11.1.2",
     "@nestjs/serve-static": "^5.0.3",
     "@nestjs/typeorm": "^11.0.0",
     "compression": "^1.7.4",