perf: use Zip instead of manual for loop

[jvdd]

[codspeed-hq[bot]]

CodSpeed Performance Report

Merging #47 optimize_mmlttb (0e1c696) will degrade performances by 14.11%.

Summary

🔥 3 improvements ❌ 2 regressions ✅ 385 untouched benchmarks

🆕 0 new benchmarks ⁉️ 0 dropped benchmarks

:warning: Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	main	optimize_mmlttb	Change
🔥	test_minmaxlttb_with_x[True-float64-100-100,000]	24 ms	16.6 ms	+44.01%
🔥	test_m4_with_x[True-int32-1,000-100,000]	8.1 ms	6.4 ms	+25.7%
🔥	test_minmaxlttb_with_x[True-int64-100-100,000]	39.4 ms	17.2 ms	×2.3
❌	test_m4_with_x[True-int64-1,000-1,000,000]	14.1 ms	15.7 ms	-10.37%
❌	test_minmaxlttb_no_x[True-int32-1,000-100,000]	13.8 ms	16.1 ms	-14.11%