[ci] propagate CancelledError (#10930)
[ci] propagate CancelledError (#10930)

In aiohttp, a task is cancelled when the requesting user drops the connection. This
is not an exception condition and should not be logged as such.
hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail