Use attrs instead of cattrs in extra links (de)serialization

[Taragolis]

closes: #26130

Might also help to resolve

airflow/airflow/models/baseoperator.py

Lines 1894 to 1899 in ca3ce78

	# pyupgrade assumes all type annotations can be lazily evaluated, but this is
	# not the case for attrs-decorated classes, since cattrs needs to evaluate the
	# annotation expressions at runtime, and Python before 3.9.0 does not lazily
	# evaluate those. Putting the expression in a top-level assignment statement
	# communicates this runtime requirement to pyupgrade.
	BaseOperatorClassList = List[Type[BaseOperator]]

This changes should not produce breaking changes, in most worst scenario it required reserialize all DAGs

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[bolkedebruin]

Note: this is not serde but the legacy serialization.

[Taragolis]

Note: this is not serde but the legacy serialization.

Should we consider to move it into the airflow/serialization/serializers as follow up?