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

Bumps [@nestjs/core](https://github.com/nestjs/nest/tree/HEAD/packages/core) from 11.0.16 to 11.1.18.
- [Release notes](https://github.com/nestjs/nest/releases)
- [Commits](https://github.com/nestjs/nest/commits/v11.1.18/packages/core)

---
updated-dependencies:
- dependency-name: "@nestjs/core"
  dependency-version: 11.1.18
  dependency-type: direct:production
...

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

Author: dependabot[bot]

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

@@ -22,7 +22,7 @@
   "dependencies": {
     "@nestjs/common": "^11.0.16",
     "@nestjs/config": "^4.0.2",
-    "@nestjs/core": "^11.0.16",
+    "@nestjs/core": "^11.1.18",
     "@nestjs/platform-express": "^11.1.5",
     "@nestjs/serve-static": "^5.0.3",
     "@nestjs/typeorm": "^11.0.0",