feat(python): Connect polars-cloud

[ritchie46]

This isn't yet live, but will connect the data types.

[codecov]

Codecov Report

Attention: Patch coverage is 85.71429% with 1 line in your changes missing coverage. Please review.

Project coverage is 79.95%. Comparing base (2a4784c) to head (97271a1).
Report is 17 commits behind head on main.

Files with missing lines	Patch %	Lines
py-polars/polars/lazyframe/frame.py	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #21387      +/-   ##
==========================================
- Coverage   79.95%   79.95%   -0.01%     
==========================================
  Files        1597     1597              
  Lines      228945   228951       +6     
  Branches     2618     2618              
==========================================
+ Hits       183058   183062       +4     
- Misses      45288    45290       +2     
  Partials      599      599              

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