Promote beta fields to GA in v9.x

[mjwolf]

Promote beta fields that have been present since the previous major release to GA

• cloud.origin
• cloud.target
• elf fields
• event.kind->asset type
• faas fields
• host.boot_id
• host.pid_ns_inode
• volume fields

---

• Have you signed the contributor license agreement? y
• Have you followed the contributor guidelines? y
• For proposing substantial changes or additions to the schema, have you reviewed the RFC process? y
• If submitting code/script changes, have you verified all tests pass locally using make test? y
• If submitting schema/fields updates, have you generated new artifacts by running make and committed those changes? y
• Is your pull request against main? Unless there is a good reason otherwise, we prefer pull requests against main and will backport as needed. y
• Have you added an entry to the CHANGELOG.next.md? y

[github-actions]

Documentation changes preview: https://ecs_bk_2411.docs-preview.app.elstc.co/diff

[taylor-swanson]

Description says:

process.boot_id
process.pid_ns_inode

But the diff says host instead of process. Should the description say host instead?

Also looks like there are some linter errors?

[mjwolf]

Description says:

process.boot_id process.pid_ns_inode

But the diff says host instead of process. Should the description say host instead?

Good catch, those should be host, I've updated the description

[github-actions]

It looks like this PR modifies one or more .asciidoc files. These files are being migrated to Markdown, and any changes merged now will be lost. See the migration guide for details.

[github-actions]

Warning

It looks like this PR modifies one or more .asciidoc files. These files are being migrated to Markdown, and any changes merged now will be lost. See the migration guide for details.