Removed unnecessary dependency "typing_extensions;python_version<'3.8'"

Author: tikuma-lsuhsc

CHANGELOG.md

@@ -8,7 +8,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 
 ### Changed
 - Dropped support for py3.7
-
+- Removed unnecessary dependency `"typing_extensions;python_version<'3.8'"`
 
 ### Fixed
 

pyproject.toml

@@ -22,10 +22,7 @@ classifiers = [
 ]
 dynamic = ["version"]
 requires-python = ">=3.8"
-dependencies = [
-    "pywin32;platform_system=='Windows'",
-    "typing_extensions;python_version<'3.8'",
-]
+dependencies = ["pywin32;platform_system=='Windows'"]
 
 [project.urls]
 Repository = "https://github.com/python-ffmpegio/python-namedpipe"