Pick up shutdown fix cherry-pick for v1.24.0#1516

yuandrew merged 4 commits into

temporalio:backport/poller-shutdown/1.24.0temporalio/sdk-python:backport/poller-shutdown/1.24.0from

yuandrew:backport-poller-shutdown-1.24.0yuandrew/sdk-python:backport-poller-shutdown-1.24.0Copy head branch name to clipboard