[AIRFLOW-5152] Fix GoogleCloudStorageToBigQueryOperator autodetect default value from False to be True

[bingqinzhou]

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Jira

• My PR addresses the following Airflow Jira issues and references them in the PR title.
  • https://issues.apache.org/jira/browse/AIRFLOW-5152

Description

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Set autodetect default value from false to be true to avoid breaking downstream services using GoogleCloudStorageToBigQueryOperator but not aware of the newly added autodetect field. This PR is to fix the current regression introduced by #3880

Tests

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Documentation

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Code Quality

• Passes flake8

[bingqinzhou]

Had to decline #5764 and open a new one since I messed up the commit messages in the previous one.