build(deps): bump @nestjs/config from 2.3.2 to 2.3.4 in /back-end

Bumps [@nestjs/config](https://github.com/nestjs/config) from 2.3.2 to 2.3.4.
- [Release notes](https://github.com/nestjs/config/releases)
- [Changelog](https://github.com/nestjs/config/blob/master/.release-it.json)
- [Commits](nestjs/config@2.3.2...2.3.4)

---
updated-dependencies:
- dependency-name: "@nestjs/config"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

back-end/package-lock.json

@@ -24,7 +24,7 @@
 	"dependencies": {
 		"@nestjs/cli": "^9.5.0",
 		"@nestjs/common": "^9.4.2",
-		"@nestjs/config": "^2.3.2",
+		"@nestjs/config": "^2.3.4",
 		"@nestjs/core": "^9.4.2",
 		"@nestjs/event-emitter": "^1.4.1",
 		"@nestjs/jwt": "^10.0.3",