remove unique constraint

server/src/db/models/MonitorStats.ts

@@ -16,9 +16,7 @@ const MonitorStatsSchema = new Schema<MonitorStatsDocument>(
 		monitorId: {
 			type: Schema.Types.ObjectId,
 			ref: "Monitor",
-			immutable: true,
 			index: true,
-			unique: true,
 			required: true,
 		},
 		avgResponseTime: {