Initial inclusion of python-typing-extensions

Summary:
This is needed as rundependency for python-mypy

Signed-off-by: Algent Albrahimi <algent@protonmail.com>

Test Plan: Run python-mypy and check for errors for a few python scripts

Reviewers: Triage Team, joebonrichie

Reviewed By: joebonrichie

Subscribers: joebonrichie

Differential Revision: https://dev.getsol.us/D8187