[FF Default Enabled] Persisting invalid pipelines from schedules

What does this MR do and why?

Persisting pipelines from failed pipeline schedules

Previously, pipeline schedules would silently fail if the yaml is invalid. This makes debugging schedules hard, as piplines are not created and no error message is present. This change persistes theses failed pipelines and sends emails if integration is turned on.

Changelog: fixed

FF Rollout

FF has been rolled-out to 100%

#416297 (closed)

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #416297 (closed)