Add partial onnx support for com.microsoft.SparseAttention

[music-dino]

• Partially resolves https://github.com/migraphx-benchmark/AMDMIGraphX/issues/200
• Reference implementation
• ONNX parser

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 97.97688% with 7 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/include/migraphx/op/sparse_attention.hpp	97.50%	6 Missing :warning:
src/onnx/parse_sparse_attention.cpp	99.06%	1 Missing :warning:

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #3866      +/-   ##
===========================================
+ Coverage    92.03%   92.11%   +0.08%     
===========================================
  Files          530      532       +2     
  Lines        24509    24855     +346     
===========================================
+ Hits         22556    22895     +339     
- Misses        1953     1960       +7     

Files with missing lines	Coverage Δ
src/onnx/parse_sparse_attention.cpp	99.06% <99.06%> (ø)
src/include/migraphx/op/sparse_attention.hpp	97.50% <97.50%> (ø)

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