Is your feature request related to a problem? Please describe.
Current best practices recommend using port names rather than port numbers for Liveness and Readiness.

Describe the solution you'd like
Shift the definition for cert-manager-webhook to use port names for probes. Update tcp-prometheus-servicemonitor:9402 to use named ports.

Describe alternatives you've considered
Ignore as the current settings work

Additional context

/kind feature