feat: Helm, allow to define service type for metrics Service

[ilpianista]

Description

My use case is to scrape the metrics from a prometheus outside the Kubernetes cluster, thus I use a Service of kind NodePort for this.

Checklist

• I've read the guidelines for contributing to this repository.
• I've added tests that prove my fix is effective or that my feature works.
• I've updated the documentation with the relevant information (if needed).
• I've added usage information (if the PR introduces new options)
• I've included a "before" and "after" example to the description (if the PR is a user interface change).

[chen-keinan]

@ilpianista to overcome lint issues run mage generate:all and mage generate:docs

[ilpianista]

@ilpianista to overcome lint issues run mage generate:all and mage generate:docs

Done, thanks!

[chen-keinan]

@ilpianista lgtm 🚀 thanks for the contribution