[Website]: We need to improve this page for Serverless #3444
Description
Type of issue
None
What documentation page is affected
https://www.elastic.co/docs/solutions/observability/apm/apm-server/
What happened?
We need to add a warning banner stating that we do not support using APM Server and Integration connected to Serverless deployments
We should recommend using MIS or Managed Otel Intake for Serverless
Additional info
No response