[helm] Enable metrics reporting on helm charts

[morazow]

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Description

On the helm chart deployments users should be able to enable metrics so that metrics are scraped and reported.

As initial implementation we will target the helm annotations based Prometheus scraping.

Willingness to contribute

• I'm willing to submit a PR!

[Madhurchandran]

Hi @morazow, I’d like to work on this issue. If it’s not already assigned, could you please assign it to me?
Thank you

[morazow]

Hello @Madhurchandran ,

Thanks for the interest! I already have in progress draft PR here: #2678 (waiting my other helm PRs to be merged).

I would appreciate if you could review it once it is ready 🤝