fix(deps): update nest monorepo to v11.0.15 (#1088)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

backend/package.json

@@ -34,9 +34,9 @@
   },
   "dependencies": {
     "@nestjs/axios": "4.0.0",
-    "@nestjs/common": "11.0.14",
-    "@nestjs/core": "11.0.14",
-    "@nestjs/platform-fastify": "11.0.14",
+    "@nestjs/common": "11.0.15",
+    "@nestjs/core": "11.0.15",
+    "@nestjs/platform-fastify": "11.0.15",
     "@nestjs/schedule": "5.0.1",
     "@nestjs/swagger": "7.4.2",
     "axios": "1.8.4",
@@ -56,7 +56,7 @@
     "@fastify/static": "8.1.1",
     "@nestjs/cli": "11.0.6",
     "@nestjs/schematics": "11.0.4",
-    "@nestjs/testing": "11.0.14",
+    "@nestjs/testing": "11.0.15",
     "@types/express": "5.0.1",
     "@types/jest": "29.5.14",
     "@types/node": "22.14.0",