Add comm for pipeline status danger and incident slo
What does this MR do and why?
Making this MR retrospectively for #441 (comment 1866120833) and https://gitlab.slack.com/archives/CMA7DQJRX/p1712261697041179
The 17.0 major release is coming on May 16, 2024! This version brings many exciting improvements to GitLab, but also removes some deprecated features. We are introducing three breaking change windows during which we expect breaking changes to be deployed to GitLab.com. You can read more about it on our blogpost. The second breaking change window begins 2024-04-29 09:00 UTC and ends 2024-05-01 22:00 UTC.
Making this MR retrospectively for #441 (comment 1866120833) and https://gitlab.slack.com/archives/CMA7DQJRX/p1712261697041179