Investigate a good testing story for testing github workflow change

[llxia]

Currently, we do not have a good way to test github workflow change. We always have to merge it in order to test it. We need to investigate a good test story for this.

Some related work that we may want to look into: https://dev.to/byteslash/how-to-test-your-github-actions-locally-3830 https://github.com/nektos/act