Add regression test workflow

[vinnamkim]

Summary

• Add a regression test workflow which is based on MLFlow Tracking server for better maintenance and automated test workflow.

How to test

Checklist

• I have added unit tests to cover my changes.​
• I have added integration tests to cover my changes.​
• I have added e2e tests for validation.
• I have added the description of my changes into CHANGELOG in my target branch (e.g., CHANGELOG in develop).​
• I have updated the documentation in my target branch accordingly (e.g., documentation in develop).
• I have linked related issues.

License

• I submit my code changes under the same Apache License that covers the project.
  Feel free to contact the maintainers if that's a concern.
• I have updated the license header for each file (see an example below).

# Copyright (C) 2023 Intel Corporation
# SPDX-License-Identifier: Apache-2.0

[sungmanc]

Thanks for the nice introduction. BTW, is there no SDL issue to use the postgress DB? maybe we need confirm from Yunchu?

[vinnamkim]

Thanks for the nice introduction. BTW, is there no SDL issue to use the postgress DB? maybe we need confirm from Yunchu?

Thanks, I'll contact him.

[goodsong81]

LGTM!