What happened:

Helm Chart fails to template if values are provided to the provider.webhook.serviceMonitor object.

Snippet of provided values:

provider:
  name: webhook
  webhook:
    serviceMonitor:
      interval: 30s
      scheme: http
      metricRelabelings: []
      relabelings: []

Output of a helm template

Error: values don't meet the specifications of the schema(s) in the following chart(s):
external-dns:
- provider.webhook.serviceMonitor.interval: Invalid type. Expected: null, given: string
- provider.webhook.serviceMonitor.scheme: Invalid type. Expected: null, given: string

What you expected to happen:

Expect a successful template / deployment

How to reproduce it (as minimally and precisely as possible):

• Add values to one or all of
  • .provider.webhook.serviceMonitor.interval
  • .provider.webhook.serviceMonitor.scheme
  • .provider.webhook.serviceMonitor.bearerTokenFile
  • .provider.webhook.serviceMonitor.scrapeInterval
• Run a helm template

Anything else we need to know?:

Environment:

• Helm Chart Version: 1.19.0
• DNS provider: webhook
• Others: