Download files to scratch directory to avoid cross-filesystem rename

[j178]

Closes #883

[codecov]

Codecov Report

❌ Patch coverage is 96.55172% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.59%. Comparing base (6d8579f) to head (ae0a727).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
src/languages/python/uv.rs	94.87%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #889      +/-   ##
==========================================
+ Coverage   89.57%   89.59%   +0.01%     
==========================================
  Files          60       60              
  Lines       11320    11341      +21     
==========================================
+ Hits        10140    10161      +21     
  Misses       1180     1180              

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[potiuk]

Nice