Update warning log to use `log_deprecation` helper #434

Job	Run time
unit_tests (3.7)	1m 31s
unit_tests (3.8)	1m 14s
unit_tests (3.9)	1m 35s
unit_tests (3.10)	1m 28s
unit_tests (3.11)	1m 12s
py_build_tests / py_build_tests	6s
py_build_tests / relative_path_tests	11s
	7m 17s

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