Merge branch 'mk-add-llm-log-events-to-docs' into 'master'

Add llm log events to docs

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/167304



Merged-by: Suzanne Selhorn <sselhorn@gitlab.com>
Co-authored-by: Małgorzata Ksionek <mksionek@gitlab.com>