Update dependency @nestjs/schedule to v6

Author: renovate[bot]

package-lock.json

@@ -34,7 +34,7 @@
     "@nestjs/mapped-types": "^2.0.0",
     "@nestjs/passport": "^10.0.0",
     "@nestjs/platform-express": "^10.0.2",
-    "@nestjs/schedule": "^4.0.0",
+    "@nestjs/schedule": "^6.0.0",
     "@nestjs/swagger": "^7.0.0",
     "@prisma/client": "^5.0.0",
     "class-transformer": "^0.5.1",