Update deprecated Python 3.8 typing (#13971)

docs/source/conf.py

@@ -17,7 +17,6 @@ import inspect
 import logging
 import os
 import sys
-from typing import List
 
 import requests
 from sphinx.ext import autodoc
@@ -58,7 +57,7 @@ templates_path = ['_templates']
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # This pattern also affects html_static_path and html_extra_path.
-exclude_patterns: List[str] = ["**/*.template.md", "**/*.inc.md"]
+exclude_patterns: list[str] = ["**/*.template.md", "**/*.inc.md"]
 
 # Exclude the prompt "$" when copying code
 copybutton_prompt_text = r"\$ "