[Graph Optimization] Wrap m_grouped_gemm_fp8_fp8_bf16_nt_contiguous as custom pyop

[DrRyanHuang]

Motivation

支持 ERNIE 系列模型转静

Modifications

将 jit 算子m_grouped_gemm_fp8_fp8_bf16_nt_contiguous wrap 为 Python 自定义算子

Usage or Command

NO NEED

Accuracy Tests

NO NEED

Checklist

• Add at least a tag in the PR title.
  • Tag list: [[FDConfig],[APIServer],[Engine], [Scheduler], [PD Disaggregation], [Executor], [Graph Optimization], [Speculative Decoding], [RL], [Models], [Quantization], [Loader], [OP], [KVCache], [DataProcessor], [BugFix], [Docs], [CI], [Optimization], [Feature], [Benchmark], [Others], [XPU], [HPU], [GCU], [DCU], [Iluvatar], [Metax]]
  • You can add new tags based on the PR content, but the semantics must be clear.
• Format your code, run pre-commit before commit.
• Add unit tests. Please write the reason in this PR if no unit tests.
• Provide accuracy results.
• If the current PR is submitting to the release branch, make sure the PR has been submitted to the develop branch, then cherry-pick it to the release branch with the [Cherry-Pick] PR tag.

[paddle-bot]

Thanks for your contribution!

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 18 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (develop@9286403). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
..._executor/layers/moe/fused_moe_deepgemm_backend.py	0.00%	18 Missing ⚠️

Additional details and impacted files

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  Misses             ?    12528           
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Flag	Coverage Δ
GPU	66.83% <0.00%> (?)

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[gongshaotian]

LGTM