(chore): add bugbear and PIE lints

[flying-sheep]

See #1241

[codecov]

Codecov Report

Attention: Patch coverage is 77.77778% with 14 lines in your changes missing coverage. Please review.

Project coverage is 85.06%. Comparing base (9fccaf5) to head (c67799a).
Report is 26 commits behind head on main.

Files with missing lines	Patch %	Lines
src/anndata/utils.py	58.33%	5 Missing ⚠️
src/anndata/_io/write.py	0.00%	4 Missing ⚠️
src/anndata/_io/zarr.py	0.00%	2 Missing ⚠️
...anndata/experimental/multi_files/_anncollection.py	0.00%	2 Missing ⚠️
src/anndata/_io/specs/methods.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1967      +/-   ##
==========================================
- Coverage   87.17%   85.06%   -2.12%     
==========================================
  Files          47       47              
  Lines        6830     6848      +18     
==========================================
- Hits         5954     5825     -129     
- Misses        876     1023     +147     

Files with missing lines	Coverage Δ
src/anndata/_core/aligned_df.py	95.91% <100.00%> (+0.08%)	⬆️
src/anndata/_core/anndata.py	83.09% <100.00%> (+0.06%)	⬆️
src/anndata/_core/merge.py	84.41% <100.00%> (-9.55%)	⬇️
src/anndata/_core/sparse_dataset.py	92.55% <100.00%> (+0.02%)	⬆️
src/anndata/_core/storage.py	89.13% <100.00%> (ø)
src/anndata/_core/views.py	85.40% <ø> (-5.58%)	⬇️
src/anndata/_io/__init__.py	100.00% <100.00%> (ø)
src/anndata/_io/h5ad.py	93.17% <100.00%> (+0.03%)	⬆️
src/anndata/_io/read.py	81.77% <100.00%> (+0.19%)	⬆️
src/anndata/_io/specs/lazy_methods.py	96.00% <100.00%> (ø)
... and 12 more

... and 3 files with indirect coverage changes

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[flying-sheep]

There’s a lot of zipping going on, I didn’t look at each individually, assuming they’re all well-tested.

If I introduced any bug in the whole ordeal, it’s here.