🙈 add full copy of half to dev dep with rand_distr feature

[jvdd]

• fix bug with half its dev-dependency specification
• fix bug in CI (codspeed installation)

[codspeed-hq]

CodSpeed Performance Report

Merging #68 will degrade performances by 17.44%

_{Comparing fix_dep_error (0565016) with main (eff8899)}

Summary

⚡ 8 improvements
❌ 7 regressions
✅ 153 untouched benchmarks

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

Benchmarks breakdown

	Benchmark	main	fix_dep_error	Change
❌	scalar_f16_argminmax_in	747.8 µs	776.2 µs	-3.66%
❌	scalar_f32_argmax_in	442.9 µs	457.2 µs	-3.12%
❌	scalar_f32_argmin_in	442.9 µs	457.2 µs	-3.12%
❌	scalar_f32_argminmax_in	471.4 µs	571 µs	-17.44%
❌	scalar_f64_argmax_in	629.6 µs	643.9 µs	-2.22%
❌	scalar_f64_argmin_in	629.6 µs	643.9 µs	-2.22%
❌	scalar_f64_argminmax_in	658.1 µs	757.7 µs	-13.15%
⚡	scalar_i16_argminmax	363.8 µs	349.6 µs	+4.07%
⚡	scalar_i32_argminmax	457.1 µs	442.9 µs	+3.2%
⚡	scalar_i64_argminmax	643.8 µs	629.5 µs	+2.27%
⚡	scalar_i8_argminmax	374 µs	359.8 µs	+3.96%
⚡	scalar_u16_argminmax	363.8 µs	349.5 µs	+4.08%
⚡	scalar_u32_argminmax	457.1 µs	442.9 µs	+3.21%
⚡	scalar_u64_argminmax	643.8 µs	629.6 µs	+2.25%
⚡	scalar_u8_argminmax	374 µs	359.8 µs	+3.95%