Update max_consecutive_failed_dag_runs default value to zero in TaskSDK dag #49795
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The default value of -1 was initially introduced in the serialization side for TaskSDK DAGs. However, in the core model/dag.py, the default is set to 0 https://github.com/apache/airflow/blob/main/airflow-core/src/airflow/models/dag.py#L438. To maintain consistency, we're aligning both places to use a default of zero.
As discussed in #49647 (comment), we're reverting back to a default of zero. This change will eliminate the need for special-case validation logic, like this one we did here https://github.com/apache/airflow/pull/49647/files#diff-00ea1b4e006d5e9279447a80e851071697d35ffe08525e3ca20a651599bbf77fR689.
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