Prometheus GA

[tetianakravchenko]

What does this PR do?

Promote Prometheus integration to GA

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.

Author's Checklist

• [ ]

How to test this PR locally

Related issues

• Closes [Epic] Make Prometheus integration GA #3687

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• Start Time: 2022-09-29T12:29:04.489+0000

• Duration: 15 min 39 sec

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[gizas]

Two minor documentation things Tania:

• https://github.com/elastic/integrations/tree/6ac61c8b90f16fb92bc3e171129d63e79e327e63/packages/prometheus/docs
  Can you change the intro to highlight that this is Prometheus Server Metric extraction

• Do we handle this as well: https://www.elastic.co/what-is/prometheus-monitoring
  You can take from section Capture and ship metrics using the [Prometheus module for Metricbeat], the description for each category, I like it as it points out clearly that we focus on Prometheus server

Can you please include the list in the intro:

• Prometheus Exporters (Collectors)
• Prometheus Server Remote-Write
• Prometheus Queries (PromQL)

Can we change this link as well and provide a link for Prometheus elastic agent integration ?

[tetianakravchenko]

@gizas please have a look - bb4cde3

I've added the list you provided to intro, and detailes that this is for Prometheus Server in description of the dataset