Is your feature request related to a problem? Please describe.
Right now we can monitor certificates status, but there is no way to monitor any problems related to challenges to prevent problems with certificates

Describe the solution you'd like
Expose metrics regarding challenges, e.g.

certmanager_challenge_status{status="errored", domain="example.com"} 1.0

Environment details (remove if not applicable):

• cert-manager version: 1.17.1
• Install method: helm

/kind feature