[8.0] [Fleet] Configure ca trusted fingerprint for on prem users (#120549)

[nchaulet]

Backports the following commits to 8.0:

• [Fleet] Configure ca trusted fingerprint for on prem users ([Fleet] Configure ca trusted fingerprint for on prem users #120549)

[kibana-ci]

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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
fleet	1154	1155	+1

Async chunks

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

id	before	after	diff
fleet	643.5KB	643.7KB	+157.0B

Saved Objects .kibana field count

Every field in each saved object type adds overhead to Elasticsearch. Kibana needs to keep the total field count below Elasticsearch's default limit of 1000 fields. Only specify field mappings for the fields you wish to search on or query. See https://www.elastic.co/guide/en/kibana/master/development-plugin-saved-objects.html#_mappings

id	before	after	diff
ingest-outputs	11	12	+1

Unknown metric groups

API count

id	before	after	diff
fleet	1266	1267	+1

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