nemo-automodel: fsdp2 support for peft

[akoumpa]

What does this PR do ?

Adds support for fsdp2 + peft.

Collection: [Note which collection this PR will affect]

Changelog

• Add specific line by line info of high level changes in this PR.

Usage

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# Add a code snippet demonstrating how to use this 

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• New Feature
• Bugfix
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Additional Information

• Related to # (issue)

[BoxiangW]

LGTM thanks

[BoxiangW]

LGTM Thanks

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 30.30%. Comparing base (48f10af) to head (b013f69).
Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #12008      +/-   ##
==========================================
- Coverage   30.30%   30.30%   -0.01%     
==========================================
  Files        1387     1387              
  Lines      176283   176293      +10     
  Branches    27091    27096       +5     
==========================================
- Hits        53422    53420       -2     
- Misses     118775   118788      +13     
+ Partials     4086     4085       -1     

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[github-actions]

[🤖]: Hi @akoumpa 👋,

We wanted to let you know that a CICD pipeline for this PR just finished successfully

So it might be time to merge this PR or get some approvals

I'm just a bot so I'll leave it you what to do next.

//cc @pablo-garay @ko3n1g