[FEAT] Enable to add annotations to the listeners

[laserpedro]

What would you like added?

listenerTemplate:
    metadata:
      annotations:
      prometheus.io/scrape: true
      prometheus.io/path: /metrics
      prometheus.io/port: 8080

Why is this needed?

We need this to be able to scrap the listener metrics that are very useful for jobs, steps monitoring

Additional context

Let me know if you want more.

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[jef]

You can add metrics to the listener, but you're missing the spec.containers:

listenerTemplate:
  metadata:
    annotations:
      prometheus.io/scrape: true
      prometheus.io/path: /metrics
      prometheus.io/port: 8080
  spec:
    containers:
      - name: listener