[ProblemChild] Update files to add Serverless support to the package

[sodhikirti07]

What does this PR do?

This PR adds serverless support to the Living Off the Land advanced analytics package.

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.

Author's Checklist

• [ ]

How to test this PR locally

• Follow the steps to spin a Serverless project using elastic-package
• Make sure the format spec for manifest.yml is 3.0.0
• Test if all the assets i.e. trained model, ingest pipelines, anomaly detection jobs and detection rules are getting installed successfully.

Screenshots

• Trained model and ingest pipelines:
  

• Anomaly detection jobs installed and started:
  

• Security rules are enabled:
  

[elasticmachine]

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• Start Time: 2023-10-12T17:40:23.394+0000

• Duration: 15 min 16 sec

🤖 GitHub comments

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[ajosh0504]

Is this minimum Stack version compatible with Package Spec v3?

[sodhikirti07]

I checked with the serverless team and they confirm that we don't require a minimum Kibana version for serverless packages and they'll be based on spec versions.

[qn895]

License change LGTM 🎉

[ajosh0504]

LGTM!

[elasticmachine]

Package problemchild - 2.1.0 containing this change is available at https://epr.elastic.co/search?package=problemchild