feat: customizable DIT benchmarks

[gdalle]

DIT source

Add two benchmark-related options to DIT.test_differentiation and DIT.benchmark_differentiation:

• benchmark_seconds=1: duration of each benchmark
• benchmark_aggregation=minimum: metric aggregation over samples

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.53%. Comparing base (2743e18) to head (34b3630).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #636   +/-   ##
=======================================
  Coverage   97.53%   97.53%           
=======================================
  Files         111      111           
  Lines        5551     5551           
=======================================
  Hits         5414     5414           
  Misses        137      137           

Flag	Coverage Δ
DI	98.65% <ø> (ø)
DIT	95.35% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

---

🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests