sparse array support

[flying-sheep]

• Closes Support for scipy.csr_array/scipy.csc_array #3423
• Tests included or not required because:

• Release notes not necessary because:

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.51%. Comparing base (329ad66) to head (c70b14d).
Report is 1 commits behind head on main.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3563   +/-   ##
=======================================
  Coverage   75.50%   75.51%           
=======================================
  Files         113      113           
  Lines       13139    13142    +3     
=======================================
+ Hits         9921     9924    +3     
  Misses       3218     3218           

Files with missing lines	Coverage Δ
src/scanpy/_compat.py	77.58% <100.00%> (+0.59%)	⬆️