Add the ability to notify users when their OnCall schedule is updated

[bnavetta]

What would you like to see!

When users are added to or removed from an ongoing rotation, that can change other users' future oncall shifts. It'd be helpful to notify anyone affected by the schedule update, like by posting to the Slack channel for the oncall schedule.

The main pain point is that users might not know if they need to request schedule swaps. For example, suppose I'm oncall in a month, and then on PTO the week after. If a new teammate is inserted into the rotation, that would push my oncall shift back to conflict with the PTO. However, without a notification, I won't notice this until it's too late to request a swap.

Product Area

Schedules

Anything else to add?

No response

[github-actions]

The current version of Grafana OnCall, at the time this issue was opened, is v1.13.9. If your issue pertains to an older version of Grafana OnCall, please be sure to list it in the PR description. Thank you 😄!

[kevinchevalier]

👍