[FEAT]: SQL temporal functions

[universalmind303]

No description provided.

[codspeed-hq]

CodSpeed Performance Report

Merging #2858 will degrade performances by 58.51%

_{Comparing universalmind303:sql-temporals (334310d) with main (53dec06)}

Summary

⚡ 1 improvements
❌ 1 regressions
✅ 14 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	main	universalmind303:sql-temporals	Change
❌	test_count[1 Small File]	9.6 ms	23.1 ms	-58.51%
⚡	test_show[100 Small Files]	288.3 ms	50.2 ms	×5.7

[raunakab]

I think a small question on why we have stringify!($fn_name) present in one of the impls for ScalarUdf, but other than that, looks good to me!