WIP: add repoman sync for github action

[hemarina]

fix #2520
WIP:
testing repoman
auto run npm build in gha

[hemarina]

/azp run azure-dev - repoman

[azure-pipelines]

Azure Pipelines could not run because the pipeline triggers exclude this branch/path.

[azure-sdk]

Repoman Generation Results

Repoman pushed changes to remotes for the following projects:
No changes detected.

[microsoft-github-policy-service]

Hi @hemarina. Thank you for your interest in helping to improve the Azure Developer CLI experience and for your contribution. We've noticed that there hasn't been recent engagement on this pull request. If this is still an active work stream, please let us know by pushing some changes or leaving a comment. Otherwise, we'll close this out in 7 days.

[microsoft-github-policy-service]

Hi @hemarina. Thank you for your contribution. Since there hasn't been recent engagement, we're going to close this out. Feel free to respond with a comment containing "/reopen" if you'd like to continue working on these changes. Please be sure to use the command to reopen or remove the "no-recent-activity" label; otherwise, this is likely to be closed again with the next cleanup pass.