adding new dateformatter

[iprithv]

Fixes #44033

[boring-cyborg]

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[kunaljubce]

@amoghrajesh I see this .isoformat().replace("+00:00", "Z") usage in a couple of other places too. Do you suggest moving to the same formatter for consistency?

https://github.com/kunaljubce/airflow/blob/c269be90c9a840d159fd38c03459bc6aeaf5708d/tests/api_fastapi/core_api/routes/public/test_import_error.py#L118
https://github.com/kunaljubce/airflow/blob/c269be90c9a840d159fd38c03459bc6aeaf5708d/tests/api_fastapi/core_api/routes/public/test_event_logs.py#L163
https://github.com/kunaljubce/airflow/blob/c269be90c9a840d159fd38c03459bc6aeaf5708d/tests/api_fastapi/core_api/routes/public/test_event_logs.py#L170

[amoghrajesh]

This is not the only file we need to edit. Can you probably place this utility somewhere under airflow/tests_common/test_utils and reuse it across other files?

For instance, also check for test_assets.py

[amoghrajesh]

Suggested change

	def format_datetime_zulu(dt):
	def format_datetime_zulu(dt: datetime) -> str:

[amoghrajesh]

@iprithv I also see static checks failing. We have a pre-commit to maintain quality standards. You can install pre-commit using this: https://github.com/apache/airflow/blob/d43052e53bcf9bd8772484b8be4590f869932330/contributing-docs/03_contributors_quick_start.rst#configuring-pre-commit

[github-actions]

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