requirements: Bump typing_extensions from ~=4.5.0 to ~=4.6.0.

Author: neiljp

setup.py

@@ -102,7 +102,7 @@ def long_description():
         "beautifulsoup4>=4.11.1",
         "lxml>=4.9.2",
         "pygments~=2.15.1",
-        "typing_extensions~=4.5.0",
+        "typing_extensions~=4.6.0",
         "python-dateutil>=2.8.2",
         "pytz>=2022.7.1",
         "tzlocal>=2.1",