Use extend-exclude instead of exclude in ruff config

[correctmost]

Type of Changes

	Type
✓	🔨 Refactoring

Description

The ruff docs recommend using extend-exclude for custom paths:

Note that you'll typically want to use extend-exclude to modify the excluded paths.

-- https://docs.astral.sh/ruff/settings/#exclude

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.98%. Comparing base (dc5dafb) to head (431e075).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2545   +/-   ##
=======================================
  Coverage   92.98%   92.98%           
=======================================
  Files          93       93           
  Lines       11047    11047           
=======================================
  Hits        10272    10272           
  Misses        775      775           

Flag	Coverage Δ
linux	92.85% <ø> (ø)
pypy	92.98% <ø> (ø)
windows	92.96% <ø> (ø)

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