[Dotnet] Add dotnet build workflow (#946)

* update

* add openai workflow

* Update pre-commit.yml

* Update run_openai_test_and_notebooks.yml

* Update pre-commit.yml

* Update .github/workflows/pre-commit.yml

Co-authored-by: Chi Wang <wang.chi@microsoft.com>

* Update run_openai_test_and_notebooks.yml

* Update run_openai_test_and_notebooks.yml

* Update run_openai_test_and_notebooks.yml

* Update pre-commit.yml

* Update .pre-commit-config.yaml

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Co-authored-by: Eric Zhu <ekzhu@users.noreply.github.com>
Co-authored-by: Chi Wang <wang.chi@microsoft.com>