fix: bound asv

[ilan-gold]

• Get CI passing until fix: remove mamba backend for asv #2129
• Tests added
• Release note added (or unnecessary)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.56%. Comparing base (cb33f6c) to head (c0277b0).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2130      +/-   ##
==========================================
- Coverage   85.70%   85.56%   -0.15%     
==========================================
  Files          46       46              
  Lines        7092     7092              
==========================================
- Hits         6078     6068      -10     
- Misses       1014     1024      +10     

see 2 files with indirect coverage changes

[scverse-benchmark]

Benchmark changes

Change	Before [cb33f6c]	After [c0277b0]	Ratio	Benchmark (Parameter)
+	11.7±0.3ms	14.3±0.7ms	1.23	sparse_dataset.SparseCSRContiguousSlice.time_getitem((10000, 10000), '0:1000', False)

Comparison: https://github.com/scverse/anndata/compare/cb33f6c40ff8f1db573a5a465a315efcd7c042e3..c0277b090f0c14bfc9cd17512a5466b7b8ab87f8
Last changed: Tue, 23 Sep 2025 15:45:45 +0000

More details: https://github.com/scverse/anndata/pull/2130/checks?check_run_id=51048672617