Add build_date to kbn:api/status

[Ikuni17]

Summary

Adds build date to GET kbn:api/status similar to ES. Example output running locally:

{
  "name": "ES-DMVD5M3",
  "uuid": "545ba70c-063e-449b-af21-6c8e7b30f77e",
  "version": {
    "number": "8.9.0",
    "build_hash": "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
    "build_number": 9007199254740991,
    "build_snapshot": false,
    "build_date": "2023-05-15T23:12:09.000Z"
  },
  ...rest
}

Checklist

• Documentation was added for features that require explanation or tutorials
• Unit or functional tests were updated or added to match the most common scenarios

Release Note

The status endpoint now returns the build date alongside other build information.

[elasticmachine]

Pinging @elastic/kibana-operations (Team:Operations)

[github-actions]

Documentation preview:

• ✨ Changed pages

[Ikuni17]

@elasticmachine merge upstream

[kibana-ci]

💚 Build Succeeded

• Buildkite Build
• Commit: 1688899

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/config	44	45	+1
@kbn/core-status-common-internal	18	19	+1
total			+2

Unknown metric groups

API count

id	before	after	diff
@kbn/config	73	74	+1
@kbn/core-status-common-internal	19	20	+1
total			+2

ESLint disabled line counts

id	before	after	diff
enterpriseSearch	19	21	+2
securitySolution	399	403	+4
total			+6

Total ESLint disabled count

id	before	after	diff
enterpriseSearch	20	22	+2
securitySolution	479	483	+4
total			+6

History

• 💚 Build #128808 succeeded 04d5992
• 💔 Build #128680 failed c3ac4dd
• 💚 Build #128424 succeeded 3209b1c
• 💚 Build #128371 succeeded aabf65c
• 💔 Build #128323 failed 970f802

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

cc @Ikuni17

[Ikuni17]

@elastic/kibana-reporting-services Can we get a code review on this PR please?