Backport PR #2856 on branch 1.10.x ((feat): pre-processing functions for dask with sparse chunks)

[meeseeksmachine]

Backport PR #2856: (feat): pre-processing functions for dask with sparse chunks

[codecov]

Codecov Report

Attention: Patch coverage is 96.71053% with 5 lines in your changes are missing coverage. Please review.

Project coverage is 75.46%. Comparing base (7c1e4cc) to head (6f32147).

Additional details and impacted files

@@            Coverage Diff             @@
##           1.10.x    #2947      +/-   ##
==========================================
+ Coverage   75.24%   75.46%   +0.22%     
==========================================
  Files         116      116              
  Lines       12802    12910     +108     
==========================================
+ Hits         9633     9743     +110     
+ Misses       3169     3167       -2     

Files	Coverage Δ
scanpy/preprocessing/_distributed.py	95.23% <100.00%> (-4.77%)	⬇️
scanpy/preprocessing/_highly_variable_genes.py	95.60% <100.00%> (ø)
scanpy/preprocessing/_utils.py	54.66% <100.00%> (+5.41%)	⬆️
scanpy/testing/_pytest/params.py	100.00% <100.00%> (ø)
scanpy/_utils/__init__.py	74.32% <98.87%> (+5.52%)	⬆️
scanpy/preprocessing/_simple.py	85.15% <96.15%> (+1.94%)	⬆️
scanpy/preprocessing/_normalization.py	85.71% <85.00%> (-3.32%)	⬇️