polars 1.36 breaks `tests/test_validate.py::test_polars_datetime_non_midnight_conversion`

[MarcoGorelli]

This changes

pointblank/pointblank/validate.py

Lines 18044 to 18045 in 32657ce

	# Try to extract the literal value from various Polars expression patterns
	segment_str = str(segment)

segment_str:

• before: "2016-01-04 00:00:01 UTC.strict_cast(Datetime('μs'))"
• after: '2016-01-04 00:00:01'

[rich-iannone]

Thank you for passing this over. Will fix this test!