[ML] Add rule registry for ML alerting rules

[darnautov]

Summary

Part of #101028

Adds persisted data layer for ML alerting rule with the rule registry plugin.

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

[kibanamachine]

💚 Build Succeeded

• continuous-integration/kibana-ci/pull-request
• Commit: 4c6ef1b
• Storybooks Preview

Metrics [docs]

Async chunks

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

id	before	after	diff
apm	4.3MB	4.3MB	+24.0B
ml	6.0MB	6.0MB	+94.0B
observability	479.5KB	479.6KB	+24.0B
securitySolution	6.5MB	6.5MB	+24.0B
timelines	267.6KB	267.7KB	+24.0B
total			+190.0B

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
infra	150.5KB	150.5KB	+24.0B
uptime	36.0KB	36.0KB	+24.0B
total			+48.0B

History

• 💔 Build #144043 failed f76bfac
• 💚 Build #144035 succeeded fa60ed8

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

cc @darnautov

[darnautov]

#166349