bug: using taskcluster in `download_artifacts.py`

[nnrepos]

in python 3.10, when i run download_artifacts.py, i get:

taskId = index.findTask('gecko.v2.mozilla-central.' + 'latest.firefox.linux64-ccov-debug')['taskId']
  KeyError: 'taskId'

when i try to access https://queue.taskcluster.net manually, i get This site can’t be reached.
probably a deprecated url.

also, if possible, i recommend using this library instead of downloading files manually:
webdriver manager