[Serverless]: Update naming across the board #6026
Description
Serverless Docs
Elastic Security Serverless
Description
The official naming for serverless in general as well as the projects are listed below. We need to review our content to ensure we are using the right naming.
Serverless - Elastic Cloud Serverless
Elasticsearch - Elasticsearch Serverless
Observability - Elastic Observability Serverless
Security - Elastic Security Serverless
Original issue: elastic/docs-content#93