refactor: Follow the PEP 585 Typing standard (#439)

* Follow the PEP 585 Typing standard

* Update list.py

codes/python/chapter_heap/my_heap.py

@@ -10,7 +10,7 @@ from modules import *
 
 class MaxHeap:
     """ 大顶堆 """
-    def __init__(self, nums: List[int]):
+    def __init__(self, nums: list[int]):
         """ 构造方法 """
         # 将列表元素原封不动添加进堆
         self.max_heap = nums