webhook support for escalation policy steps

[mastercactapus]

What problem would you like to solve? Please describe:
Non-user-specific webhook support.

Describe the solution you'd like:
Calling a webhook from an escalation policy step

Describe alternatives you've considered:
A workaround is to create a user with a webhook configured and assign them to the policy step.

[stale]

This issue has been automatically marked as stale because it has not had recent activity.

[mastercactapus]

this has been supported for a while now