[Suggestion] Update rule types list in the Note about Exceptions

[approksiu]

What can we change to make the docs better?

What: note on Exceptions does not contain all rule types for which you can create exceptions

Doc URL

Please include the doc URL and any other related information where applicable:
Doc URL: https://www.elastic.co/guide/en/security/current/about-rules.html#about-exceptions
Github issue link(s)/Other resources:

Which documentation set needs improvement?

ESS and serverless

Software version

8.11+ docs should be checked.

[nastasha-solomon]

@approksiu this is being addressed in elastic/docs-content#5253. Indicated that users can add exceptions to all rule types.