Add MatMulNBits shape infer to SymbolicShapeInference

[fajin-corp]

Description

Support MatMulNBits shape infer in SymbolicShapeInference

MatMulNBits's B input is rank-2, so implicit merge does not apply.

Motivation and Context

Issue with performing shape inference using symbolic_shape_infer.py with Phi-3 ONNX Models · Issue #21194 · microsoft/onnxruntime (github.com)

[tianleiwu]

@fajin-corp, The python format pipeline failed. Please fix it by running lintrunner at the root like

pip install -r requirements-lintrunner.txt
pip install lintrunner
lintrunner init
lintrunner -a

@kunal-vaishnavi, please take a look.

[kunal-vaishnavi]

With this PR's changes, can the symbolic shape inference tool now successfully run on the uploaded Phi-3 ONNX models?

[fajin-corp]

With this PR's changes, can the symbolic shape inference tool now successfully run on the uploaded Phi-3 ONNX models?

I can shape infer the phi-3 int4 model with MatMulNBits in it.

[fajin-corp]

/azp run Windows CPU CI Pipeline

[azure-pipelines]

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