chore(bench): make benchmarks work again

[adriencaccia]

Make benchmarks and CodSpeed work again.

Implemented after this discussion: https://github.com/Ogeon/palette/pull/391#issuecomment-2080461609

This is not a long term fix, but it has the merit of making everything work again.

[codspeed-hq[bot]]

CodSpeed Performance Report

Merging #398 will improve performances by 13.89%

_{Comparing adriencaccia:fix/benchmark-load-data (ac02f53) with master (7fe4d87)}

Summary

⚡ 1 improvements ✅ 45 untouched benchmarks

Benchmarks breakdown

	Benchmark	master	adriencaccia:fix/benchmark-load-data	Change
⚡	multiply_3x3	455.6 ns	400 ns	+13.89%

[Ogeon]

Thank you!