UpdatePlayerRespawnPoint.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class UpdatePlayerRespawnPoint : MonoBehaviour
{
    public Vector3 RespawnPoint;
    private void OnTriggerEnter(Collider other)
    {
        //if the enter object is the player
        if (other.tag == "player") {
            //Update respawn point
            other.gameObject.GetComponent<playerRespawnScrpt>().respawnPoint = this.RespawnPoint;
        }
    }
}