feat: rename instrumentation to simulation

[GuillaumeLagrange]

instrumentation is still accepted as an input, but it maps to simulation internally, as we plan to phase it out.

[codspeed-hq]

CodSpeed Performance Report

Merging #36 will not alter performance

_{Comparing cod-1441-accept-simulation-as-a-value-instrumentation-which-is-now (bee1708) with main (20ab8dc)¹}

Summary

✅ 192 untouched

Footnotes

1. No successful run was found on main (bee1708) during the generation of this report, so 20ab8dc was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

[not-matthias]

LGTM