[ci] Add workflows to validate TE QA test cases

[zihugithub]

Description

Validate TE QA test cases with new CI workflows

Type of change

• Documentation change (change only to the documentation, either a fix or a new content)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Infra/Build change
• Code refactoring

Changes

Please list the changes introduced in this PR:

• Added code inspection and PyTorch/C++ unit tests to improve the TE testing system
• Implemented end-to-end automation of TE wheel package building, installation, and verification, supporting multiple versions of Flash Attention and GPUs with different CUDA architectures
• Verified TE's core functions (distributed communication, matrix multiplication, ONNX export) and compatibility with Megatron-LM/Lightning-Thunder
• Completed the verification of the nvinspect debugging tool and re-verification of core numerical tests

Checklist:

• I have read and followed the contributing guidelines
• The functionality is complete
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

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