ENH: Remove sum_over_features parameter from manhattan_distances with sklearn > 1.4

[Dawnfz-Lenfeng]

What do these changes do?

• The sum_over_features parameter is no longer supported in scikit-learn versions >= 1.4.
• Removed sum_over_features from manhattan_distances to align with the latest version of scikit-learn.

Related issue number

Fixes #xxxx

Check code requirements

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

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.

Project coverage is 68.84%. Comparing base (79c3bc8) to head (bc69412).

Files	Patch %	Lines
.../xorbits/_mars/learn/metrics/pairwise/manhattan.py	0.00%	6 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #779       +/-   ##
===========================================
- Coverage   84.60%   68.84%   -15.77%     
===========================================
  Files        1059     1059               
  Lines       79804    79731       -73     
  Branches    16497    12139     -4358     
===========================================
- Hits        67521    54892    -12629     
- Misses      10707    23329    +12622     
+ Partials     1576     1510       -66     

Flag	Coverage Δ
unittests	68.83% <0.00%> (-15.71%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[luweizheng]

LGTM