Fix cancelling the task that awaits an external workflow cancel - #1975

Fix cancelling the task that awaits an external workflow cancel#1975

tconley1428 merged 2 commits into

temporalio:maintemporalio/sdk-python:mainfrom

RachelWanggg:fix/external-cancel-cancelled-waiterRachelWanggg/sdk-python:fix/external-cancel-cancelled-waiterCopy head branch name to clipboard