【Quant】update e8m0 for stack_quant

[liuruyan]

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Description

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[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 20 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (develop@371a327). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
paddle/phi/infermeta/fusion.cc	0.00%	18 Missing ⚠️
python/paddle/incubate/nn/functional/fp8.py	0.00%	2 Missing ⚠️

❌ Your patch status has failed because the patch coverage (0.00%) is below the target coverage (90.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             develop   #77163   +/-   ##
==========================================
  Coverage           ?    0.00%           
==========================================
  Files              ?        2           
  Lines              ?       20           
  Branches           ?        0           
==========================================
  Hits               ?        0           
  Misses             ?       20           
  Partials           ?        0           

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