[8.x] [eem] top_value metadata aggregation (#188243)

[kibanamachine]

Backport

This will backport the following commits from main to 8.x:

• [eem] top_value metadata aggregation (#188243)

Questions ?

Please refer to the Backport tool documentation

[kibana-ci]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: ecf5120
• Storybooks Preview
• Kibana Serverless Image: docker.elastic.co/kibana-ci/kibana-serverless:pr-193743-ecf5120226f8

Failed CI Steps

Metrics [docs]

Public APIs missing comments

Total count of every public API that lacks a comment. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats comments for more detailed information.

id	before	after	diff
@kbn/entities-schema	41	43	+2

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
inventory	142.9KB	143.3KB	+360.0B

Unknown metric groups

API count

id	before	after	diff
@kbn/entities-schema	41	43	+2

History

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

cc @klacabane