feat: add `drop_nulls`, `fill_null`, and `filter` Spark Expressions #5800

Job	Run time
pytest-38 (3.8, windows-latest)	1m 9s
pytest-full-coverage (3.11, ubuntu-latest)	5m 17s
pytest-38 (3.8, ubuntu-latest)	51s
pytest-full-coverage (3.13, ubuntu-latest)	3m 28s
pytest-windows (3.10, windows-latest)	10m 15s
pytest-windows (3.12, windows-latest)	4m 50s
	25m 50s

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