MeshMetric: issue collection from Test Friday session

[kleinfreund]

Where is the problem?

https://docs.konghq.com/mesh/dev/policies/meshmetric/

What happened?

• Language: Refer to Prometheus “deployments” instead of “instances”.
  • Link: https://docs.konghq.com/mesh/dev/policies/meshmetric/#running-multiple-prometheus-instances
  • Fixed in: fix(meshmetric): adjust docs kumahq/kuma-website#1689
• Issue: In config example (endpoint: http://otel-collector.observability.svc:4317), it shouldn’t include scheme (http://).
  • Link: https://docs.konghq.com/mesh/dev/policies/meshmetric/#opentelemetry-experimental
  • Fixed in: fix(meshmetric): adjust docs kumahq/kuma-website#1689
• Issue: Missing default under spec.targetRef in the first two MeshMetric config examples.
  • Link: https://docs.konghq.com/mesh/dev/policies/meshmetric/#backends
  • Fixed in: fix(meshmetric): adjust docs kumahq/kuma-website#1689
• Improvement: Better example for “And the Prometheus configurations:”.
  • Link: https://docs.konghq.com/mesh/dev/policies/meshmetric/#backends
  • Fixed in: fix(policies): rewrite meshmetric prometheus example and remove experimental from otel config kumahq/kuma-website#1702

What did you expect to happen?

The above to be correct

Code of Conduct and Community Expectations

• I agree to follow this project's Code of Conduct
• I agree to abide by the Community Expectations

[kleinfreund]

This was done.