Use pyproject.toml

[steven-murray]

Switches to using pyproject.toml exclusively, and adds support for ruff

[codecov]

Codecov Report

❌ Patch coverage is 93.53933% with 23 lines in your changes missing coverage. Please review.
✅ Project coverage is 97.41%. Comparing base (e184180) to head (7dba465).
⚠️ Report is 19 commits behind head on main.

Files with missing lines	Patch %	Lines
src/hmf/cosmology/growth_factor.py	72.72%	6 Missing ⚠️
src/hmf/density_field/transfer.py	50.00%	5 Missing ⚠️
src/hmf/mass_function/hmf.py	79.16%	5 Missing ⚠️
src/hmf/alternatives/wdm.py	90.00%	2 Missing ⚠️
src/hmf/cosmology/cosmo.py	50.00%	2 Missing ⚠️
src/hmf/density_field/halofit.py	80.00%	2 Missing ⚠️
src/hmf/mass_function/integrate_hmf.py	75.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #264       +/-   ##
===========================================
+ Coverage   86.67%   97.41%   +10.74%     
===========================================
  Files          26       26               
  Lines        2469     2518       +49     
===========================================
+ Hits         2140     2453      +313     
+ Misses        329       65      -264     

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.