Flaky failer in taskcluster_yml pre-commit hook on Taskcluster

[suhaibmujahid]

bugbug lint: https://community-tc.services.mozilla.com/tasks/Qsx36em7QeOoW6CyEGHKyA

taskcluster_yml..........................................................Failed
- hook id: taskcluster_yml
- exit code: 1

Traceback (most recent call last):
  File "/root/.cache/pre-commit/repojidfffjg/py_env-python3.12/lib/python3.12/site-packages/referencing/_core.py", line 428, in get_or_retrieve
    resource = registry._retrieve(uri)
               ^^^^^^^^^^^^^^^^^^^^^^^
  File "/root/.cache/pre-commit/repojidfffjg/py_env-python3.12/lib/python3.12/site-packages/jsonschema/validators.py", line 113, in _warn_for_remote_retrieve
    with urlopen(request) as response:  # noqa: S310
         ^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/urllib/request.py", line 215, in urlopen
    return opener.open(url, data, timeout)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/urllib/request.py", line 521, in open
    response = meth(req, response)
               ^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/urllib/request.py", line 630, in http_response
    response = self.parent.error(
               ^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/urllib/request.py", line 559, in error
    return self._call_chain(*args)
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/urllib/request.py", line 492, in _call_chain
    result = func(*args)
             ^^^^^^^^^^^
  File "/usr/local/lib/python3.12/urllib/request.py", line 639, in http_error_default
    raise HTTPError(req.full_url, code, msg, hdrs, fp)
urllib.error.HTTPError: HTTP Error 503: Service Unavailable

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/root/.cache/pre-commit/repojidfffjg/py_env-python3.12/lib/python3.12/site-packages/referencing/_core.py", line 682, in lookup
    retrieved = self._registry.get_or_retrieve(uri)
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/root/.cache/pre-commit/repojidfffjg/py_env-python3.12/lib/python3.12/site-packages/referencing/_core.py", line 435, in get_or_retrieve
    raise exceptions.Unretrievable(ref=uri) from error
referencing.exceptions.Unretrievable: 'https://community-tc.services.mozilla.com/schemas/queue/v1/task.json'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/root/.cache/pre-commit/repojidfffjg/py_env-python3.12/lib/python3.12/site-packages/jsonschema/validators.py", line 463, in _validate_reference
    resolved = self._resolver.lookup(ref)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/root/.cache/pre-commit/repojidfffjg/py_env-python3.12/lib/python3.12/site-packages/referencing/_core.py", line 686, in lookup
    raise exceptions.Unresolvable(ref=ref) from error
referencing.exceptions.Unresolvable: task.json#/properties/workerType

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/root/.cache/pre-commit/repojidfffjg/py_env-python3.12/bin/taskcluster_yml_validator", line 6, in <module>
    sys.exit(main())
             ^^^^^^
  File "/root/.cache/pre-commit/repojidfffjg/py_env-python3.12/lib/python3.12/site-packages/taskcluster_yml_validator/__init__.py", line 107, in main
    validate(args.tcml)
  File "/root/.cache/pre-commit/repojidfffjg/py_env-python3.12/lib/python3.12/site-packages/taskcluster_yml_validator/__init__.py", line 77, in validate
    jsonschema.validate(instance=task, schema=task_schema)
  File "/root/.cache/pre-commit/repojidfffjg/py_env-python3.12/lib/python3.12/site-packages/jsonschema/validators.py", line 1330, in validate
    error = exceptions.best_match(validator.iter_errors(instance))
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/root/.cache/pre-commit/repojidfffjg/py_env-python3.12/lib/python3.12/site-packages/jsonschema/exceptions.py", line 475, in best_match
    best = next(errors, None)
           ^^^^^^^^^^^^^^^^^^
  File "/root/.cache/pre-commit/repojidfffjg/py_env-python3.12/lib/python3.12/site-packages/jsonschema/validators.py", line 384, in iter_errors
    for error in errors:
                 ^^^^^^
  File "/root/.cache/pre-commit/repojidfffjg/py_env-python3.12/lib/python3.12/site-packages/jsonschema/_keywords.py", line 296, in properties
    yield from validator.descend(
  File "/root/.cache/pre-commit/repojidfffjg/py_env-python3.12/lib/python3.12/site-packages/jsonschema/validators.py", line 432, in descend
    for error in errors:
                 ^^^^^^
  File "/root/.cache/pre-commit/repojidfffjg/py_env-python3.12/lib/python3.12/site-packages/jsonschema/_keywords.py", line 275, in ref
    yield from validator._validate_reference(ref=ref, instance=instance)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/root/.cache/pre-commit/repojidfffjg/py_env-python3.12/lib/python3.12/site-packages/jsonschema/validators.py", line 465, in _validate_reference
    raise exceptions._WrappedReferencingError(err) from err
jsonschema.exceptions._WrappedReferencingError: Unresolvable: task.json#/properties/workerType