fix: update polars drivers url format

[brianheineman]

No description provided.

[github-actions]

Bencher Report

Branch	update-polars-drivers-url-format
Testbed	localhost

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Benchmark	Latency	nanoseconds (ns)
postgres-embedded	📈 view plot ⚠️ NO THRESHOLD	820,570,000.00
postgresql-embedded	📈 view plot ⚠️ NO THRESHOLD	832,470,000.00
rusqlite	📈 view plot ⚠️ NO THRESHOLD	4,605,200.00
sqlite	📈 view plot ⚠️ NO THRESHOLD	4,916,000.00

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.68%. Comparing base (9c18a62) to head (7a02ff6).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #237      +/-   ##
==========================================
+ Coverage   93.66%   93.68%   +0.01%     
==========================================
  Files         105      107       +2     
  Lines       13149    13186      +37     
==========================================
+ Hits        12316    12353      +37     
  Misses        833      833              

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