[SkyServe] Call back functions for sensitive action

[cblmemo]

Like managed spot jobs (#2106), we should support customized notification for sensitive notification, e.g., replica failed, scaling options and more.

[github-actions]

This issue is stale because it has been open 120 days with no activity. Remove stale label or comment or this will be closed in 10 days.

[github-actions]

This issue is stale because it has been open 120 days with no activity. Remove stale label or comment or this will be closed in 10 days.

[github-actions]

This issue is stale because it has been open 120 days with no activity. Remove stale label or comment or this will be closed in 10 days.

[kyuds]

@cblmemo just wondering if this is still relevant

[cblmemo]

@cblmemo just wondering if this is still relevant

Yes, this is still relevant. We will try to get to it once we got enough bandwidth!

[kyuds]

oh I asked this more because I wanted to try and handle this issue in the near future!