[Python] Create temporary dataset with a 24 hour ttl.

[aebrahim]

Create temporary dataset with a 24 hour ttl

Tables created in the dataset auto-expire after 24 hours if not explicitly deleted,
acting as a safety net for orphaned temp tables (e.g. pipeline crash before cleanup runs).

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[jrmccluskey]

LGTM mod the formatting change

[aebrahim]

Done! thanks for the review

[Abacn]

Isn't there a genuine data loss concern if there is a long running job that some temp tables are materialized, and expired before all of them finalized to destination table?

[Abacn]

cc: @ahmedabu98 @jrmccluskey

[ahmedabu98]

I haven't encountered a load/export job that takes longer than a day. But I guess it's possible. A 7-day expiration window would be safer