Pattern-based fusion for pre_quant_scale

[meenchen]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.37%. Comparing base (32d168c) to head (c5d9682).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #421      +/-   ##
==========================================
- Coverage   73.38%   73.37%   -0.01%     
==========================================
  Files         180      180              
  Lines       17934    17934              
==========================================
- Hits        13160    13159       -1     
- Misses       4774     4775       +1     

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