Update to uv

[thclark]

Contents (#94)

IMPORTANT: There is 1 breaking change.

Operations

• Update to uv
• Consistent uv use in CI action
• Fuck uv lock
• Add pre-commit step to check for uv lock

Dependencies

• 💥 BREAKING CHANGE: Removed support for python 3.9

---

Upgrade instructions

💥 Removed support for python 3.9

Removed support for python 3.9, update your stack ;)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.76%. Comparing base (fb343a4) to head (9bbffa1).
⚠️ Report is 7 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #94   +/-   ##
=======================================
  Coverage   69.76%   69.76%           
=======================================
  Files          40       40           
  Lines        2014     2014           
=======================================
  Hits         1405     1405           
  Misses        609      609           

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