[GenAI] Add Mistral 7B Instruction V0.3

[LittleLittleCloud]

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#7169

[LittleLittleCloud]

@luisquintanilla This will be how bge-en-icl embedding model consumed.

[codecov]

Codecov Report

Attention: Patch coverage is 47.61905% with 363 lines in your changes missing coverage. Please review.

Project coverage is 68.78%. Comparing base (87a41fa) to head (05f726d).

Files with missing lines	Patch %	Lines
...Microsoft.ML.GenAI.Mistral/MistralCausalLMAgent.cs	0.00%	98 Missing ⚠️
src/Microsoft.ML.GenAI.Mistral/MistralModel.cs	18.75%	76 Missing and 2 partials ⚠️
.../Microsoft.ML.GenAI.Mistral/MistralDecoderLayer.cs	28.57%	65 Missing ⚠️
...c/Microsoft.ML.GenAI.Mistral/MistralForCausalLM.cs	12.30%	57 Missing ⚠️
...GenAI.Mistral/Mistral_7B_0_3ChatTemplateBuilder.cs	76.19%	15 Missing and 15 partials ⚠️
...crosoft.ML.GenAI.Core/Pipeline/CausalLMPipeline.cs	0.00%	14 Missing ⚠️
...crosoft.ML.GenAI.Mistral/MistralTokenizerHelper.cs	80.00%	6 Missing and 1 partial ⚠️
src/Microsoft.ML.GenAI.Mistral/MistralMLP.cs	64.70%	6 Missing ⚠️
...nAI.Mistral.Tests/Mistral_7B_Instruct_V0_3Tests.cs	95.45%	3 Missing and 1 partial ⚠️
src/Microsoft.ML.GenAI.Core/Utils.cs	66.66%	2 Missing and 1 partial ⚠️
... and 1 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7231      +/-   ##
==========================================
- Coverage   68.83%   68.78%   -0.05%     
==========================================
  Files        1453     1461       +8     
  Lines      271562   272208     +646     
  Branches    28094    28168      +74     
==========================================
+ Hits       186933   187246     +313     
- Misses      77410    77722     +312     
- Partials     7219     7240      +21     

Flag	Coverage Δ
Debug	68.78% <47.61%> (-0.05%)	⬇️
production	63.29% <40.66%> (-0.06%)	⬇️
test	89.04% <95.45%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...soft.ML.GenAI.LLaMA/Llama3_1ChatTemplateBuilder.cs	68.62% <ø> (ø)
src/Microsoft.ML.GenAI.LLaMA/LlamaCausalLMAgent.cs	0.00% <ø> (ø)
src/Microsoft.ML.GenAI.LLaMA/Module/LlamaModel.cs	18.75% <ø> (ø)
src/Microsoft.ML.GenAI.Phi/Phi2/Config.cs	98.00% <100.00%> (ø)
src/Microsoft.ML.GenAI.Phi/Phi3/Config.cs	93.84% <100.00%> (ø)
...c/Microsoft.ML.GenAI.Phi/Phi3/Phi3CausalLMAgent.cs	56.71% <ø> (ø)
src/Microsoft.ML.GenAI.Phi/Utils.cs	0.00% <ø> (-8.11%)	⬇️
src/Microsoft.ML.GenAI.Mistral/MistralConfig.cs	97.95% <97.95%> (ø)
src/Microsoft.ML.GenAI.Core/Utils.cs	12.94% <66.66%> (+6.36%)	⬆️
...nAI.Mistral.Tests/Mistral_7B_Instruct_V0_3Tests.cs	95.45% <95.45%> (ø)
... and 8 more

... and 10 files with indirect coverage changes