BLD: Fix scipy version in pyproject.toml

[aresnow1]

What do these changes do?

Has been verified in https://github.com/aresnow1/xorbits/actions/runs/5487536981.

Related issue number

Fixes #xxxx

Check code requirements

• [ ] tests added / passed (if needed)
• [ ] Ensure all linting tests pass

[codecov[bot]]

Codecov Report

Merging #585 (b48c4bc) into main (db5a8c5) will decrease coverage by 0.06%. The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #585      +/-   ##
==========================================
- Coverage   93.40%   93.35%   -0.06%     
==========================================
  Files        1010     1010              
  Lines       78529    78529              
  Branches    16315    16315              
==========================================
- Hits        73351    73307      -44     
- Misses       3502     3558      +56     
+ Partials     1676     1664      -12     

Flag	Coverage Δ
unittests	93.24% <ø> (-0.08%)	:arrow_down:

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see 27 files with indirect coverage changes