Cancel workflow in on_kill in DataprocInstantiate{Inline}WorkflowTemplateOperator

[michalsosn]

Closes: #10385

This change adds the on_kill method to the DataprocInstantiateWorkflowTemplateOperator and DataprocInstantiateInlineWorkflowTemplateOperator. This method is used to cancel the Dataproc workflow by name (which is the workflow ID), with the name saved as a field on the operator object.

There is a cancel_on_kill flag (defaulting to true) that makes this behavior configurable. This flag is also present in the DataprocSubmitJobOperator, which I modeled this behavior after.

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[boring-cyborg]

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[michalsosn]

FileNotFoundError: [Errno 2] No such file or directory: '/home/runner/work/airflow/airflow/airflow-site/docs-archive/apache-airflow-providers-opensearch'

I think I can assume the error in CI is not caused by my change.

[potiuk]

FileNotFoundError: [Errno 2] No such file or directory: '/home/runner/work/airflow/airflow/airflow-site/docs-archive/apache-airflow-providers-opensearch'

I think I can assume the error in CI is not caused by my change.

Yes. Addressed in #34963

[potiuk]

LGTM. Thanks for thorough tests.

[boring-cyborg]

Awesome work, congrats on your first merged pull request! You are invited to check our Issue Tracker for additional contributions.