Introduce hook factories for enums

[Tinche]

No description provided.

[codspeed-hq]

CodSpeed Performance Report

Merging #705 will improve performances by 13.01%

_{Comparing tin/enum-factories (567e3ef) with main (1a94abf)}

Summary

⚡ 5 improvements
✅ 49 untouched

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
⚡	test_unstructure_simple_enum[MsgspecJsonConverter]	27.2 µs	24.7 µs	+10.4%
⚡	test_unstructure_attrs_lists[UnstructureStrategy.AS_DICT-Converter]	122.2 µs	110.6 µs	+10.48%
⚡	test_unstructure_simple_enum[Converter]	27.8 µs	24.6 µs	+13.01%
⚡	test_unstructure_simple_enum[OrjsonConverter]	27.2 µs	24.6 µs	+10.55%
⚡	test_structure_simple_enum[BaseConverter]	30 µs	27.1 µs	+10.61%