[Request] Agentless deployment option for CSPM to be documented with Beta tag

[smriti0321]

Description

More details in this EPIC- https://github.com/elastic/security-team/issues/6053

We are already in limited Tech Preview on Serverless, and with 8.16 the plan is to support Agentless Deployment option in ESS (Beta).

Doc changes:

• Get started -> Ingest data -> Agentless doc (link from doc to integration docs)
• CSPM onboarding guides

Alternatively, instead of creating an independent agentless doc for 8.16, we could just update the AWS, GCP, and Azure guides, as well as the CSPM landing page, adding a section to each about agentless deployment methods.

Background & resources

• PRs:
• Issues/metas: https://github.com/elastic/security-team/issues/6053
• Point of contact:
• Test environments:
• Beta document- https://docs.google.com/document/d/1QIgTX9p1yk8_chCWgaS6GIGLtN5iWSGOWvj7PT_U9k0/edit
• Current CSPM Integration document- https://www.elastic.co/docs/current/integrations/cloud_security_posture/cspm

Which documentation set does this change impact?

ESS and serverless

ESS release

8.16

Serverless release

October 2024

Feature differences

Feature will be identical in ESS and Serverless.
Feature not supported on prem

API docs impact

TBD with engineering. POC- @sean

Prerequisites, privileges, feature flags

No response

[smriti0321]

@benironside Beta document [WIP] for your reference- https://docs.google.com/document/d/1HIzjWpcxksfIxHX8xJ5903ycC1V38XZyyR4igoSXDZo/edit?usp=sharing