[9.0] [DOCS] Add minimal uptime APIs (#213867)

[kibanamachine]

Backport

This will backport the following commits from main to 9.0:

• [DOCS] Add minimal uptime APIs (#213867)

Questions ?

Please refer to the Backport tool documentation

[elasticmachine]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: 8dc0907

Failed CI Steps

• FTR Configs #82

Test Failures

• [job] [logs] FTR Configs #82 / ObservabilityApp Observability Rules page Create rules form "after each" hook for "Should allow the user to select consumers when creating ES query rules"
• [job] [logs] FTR Configs #82 / ObservabilityApp Observability Rules page Create rules form Should allow the user to select consumers when creating ES query rules

Metrics [docs]

✅ unchanged

History

• 💔 Build #284793 failed 235bc51

cc @lcawl