Expose jobTimeoutMs in JobConfig

[lbk-fishtown]

Fixes #1421

Exposes job timeout setting in Python job timeout config.
https://cloud.google.com/bigquery/docs/reference/rest/v2/Job#JobConfiguration.FIELDS.job_timeout_ms

# python3 test.py 5000
Client creating using default project: demo-project-xyz
Job config: {'query': {}, 'jobTimeoutMs': '5000'}
Trying to execute long (30s) running query: call `demo-project-xyz`.`dbt_lbondkennedy`.`sleep_seconds_approximate`(30);
An exception of type GoogleAPICallError occurred. Arguments:
('Job execution was cancelled: Job timed out after 5 sec',)

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[chalmerlowe]

@lbk-fishtown

Thanks for submitting this PR.
In terms of tests, a fairly straightforward test similar to this one ought to be a good place to start.

labels are an exposed property, much like the jobTimeoutMs property and are set in a similar way, so mirroring this test should work for our purposes.

https://github.com/googleapis/python-bigquery/blob/03194e0156ed9201cb36301967c5af117d7ef29c/tests/unit/model/test_model.py#L343C1-L348C42

I suspect that we might want to put your tests in the following file: python-bigquery/tests/unit/job/test_query.py

We may want to go further than just checking to see if we can set the jobTimeoutMs value, but for now, let's just get that functionality working while we come up with the list of cases to include as tests.

[tswast]

nit: normally we use snake_case to transform from rest API to python.

I'd prefer job_timeout_ms unless we change this to accept a datetime.timedelta, in which case job_timeout may make more sense.

[tswast]

FWIW: We use default_table_expiration_ms here:

python-bigquery/google/cloud/bigquery/dataset.py

Line 660 in 54a7769

def default_table_expiration_ms(self):

so probably makes the most sense to stay consistent with that.

[chalmerlowe]

This PR was superceded by PR 1675.
Closing.