chore: Migrate to rand v0.9

[coastalwhite]

No description provided.

[ritchie46]

Note that we don't guarantee stable seeds/randomness between versions, so the failing tests may be updated if that the cause.

[codecov]

Codecov Report

Attention: Patch coverage is 64.10256% with 14 lines in your changes missing coverage. Please review.

Project coverage is 79.98%. Comparing base (fe94069) to head (14a5c92).
Report is 11 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/polars-core/src/chunked_array/random.rs	11.11%	8 Missing ⚠️
crates/polars-arrow/src/bitmap/utils/mod.rs	0.00%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #21374      +/-   ##
==========================================
+ Coverage   79.91%   79.98%   +0.06%     
==========================================
  Files        1597     1597              
  Lines      228713   228838     +125     
  Branches     2618     2618              
==========================================
+ Hits       182775   183032     +257     
+ Misses      45339    45207     -132     
  Partials      599      599              

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[coastalwhite]

Blocked on seanmonstar/reqwest#2560.