Update requirements.txt

`typing_extensions` required under latest versions of Python

Author: JarryShaw

conda/requirements.txt

@@ -20,6 +20,6 @@ six == 1.16.0
 soupsieve == 2.4.1
 tbtrim == 0.3.1
 termcolor == 2.3.0
-typing-extensions ; python_version < "3.9"
+typing-extensions ; python_version < "3.11"
 urllib3 == 2.0.4
 webencodings == 0.5.1