Convert compressed-tensor int4 format to GPTQ int4 format

[Edwardf0t1]

What does this PR do?

Type of change: ?

Overview: Convert compressed-tensor int4 format to GPTQ int4 format to enable deployment with TRT-LLM for kimi-k2-thinking model.

Usage

# Add a code snippet demonstrating how to use this

Testing

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• Is this change backward compatible?: Yes/No
• Did you write any new necessary tests?: Yes/No
• Did you add or update any necessary documentation?: Yes/No
• Did you update Changelog?: Yes/No

Additional Information

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.45%. Comparing base (a703e22) to head (574ca5d).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #590   +/-   ##
=======================================
  Coverage   74.45%   74.45%           
=======================================
  Files         182      182           
  Lines       18250    18250           
=======================================
  Hits        13588    13588           
  Misses       4662     4662           

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[cjluo-nv]

@Edwardf0t1 do you feel we need to create a kimi_k2 specific folder under the examples?

Also please add readme on how this script should be used and how the output of this script can be used.