feat: Add --exclude-newer for pixi version updater

[Pavel Zwerschke (pavelzw)]

Motivation

Changes

[codecov]

Codecov Report

❌ Patch coverage is 96.55172% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 99.96%. Comparing base (231aa1b) to head (6b8a6bb).

Files with missing lines	Patch %	Lines
quant_ranger/_impl/testing.py	90.90%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##              main      #29      +/-   ##
===========================================
- Coverage   100.00%   99.96%   -0.04%     
===========================================
  Files           49       49              
  Lines         3077     3102      +25     
===========================================
+ Hits          3077     3101      +24     
- Misses           0        1       +1     

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