[ti_maltiverse] Add DLM policy and Update format_version to 3.0.0

[kcreddy]

What does this PR do?

• Adds DLM policy as it is required for Elastic Serverless offering.
• Update format_version to 3.0.0
• Add owner.type: elastic to package manifest.

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.

How to test this PR

1. Follow these steps laid out in the doc to bring up Serverless project UP. An agent is installed locally which is connected to your Serverless project.
2. Install package using zip file:
   elastic-package install --zip build/packages/ti_maltiverse-0.3.0.zip -v
3. Run System tests using eval "$(elastic-package stack shellinit)" && elastic-package test system --generate -v --defer-cleanup 30m
4. Go to Dev Tools within Serverless project and run:
   GET _data_stream/logs-ti_maltiverse.indicator-ep

which contains the DLM details:

      "lifecycle": {
        "enabled": true,
        "data_retention": "3d"
      },

Related issues

• Relates [SEI] Integrations requiring manual testing for spec 3.0 #7814

Screenshots

[elasticmachine]

💚 Build Succeeded

the below badges are clickable and redirect to their specific view in the CI or DOCS

Expand to view the summary

Build stats

• Start Time: 2023-09-21T10:46:25.838+0000

• Duration: 15 min 50 sec

Test stats 🧪

Test	Results
Failed	0
Passed	5
Skipped	0
Total	5

🤖 GitHub comments

Expand to view the GitHub comments

To re-run your PR in the CI, just comment with:

• /test : Re-trigger the build.

[elasticmachine]

🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (1/1)	💚
Files	100.0% (1/1)	💚
Classes	100.0% (1/1)	💚
Methods	100.0% (12/12)	💚 4.938
Lines	64.574% (144/223)	👎 -15.272
Conditionals	100.0% (0/0)	💚

[elasticmachine]

Pinging @elastic/security-external-integrations (Team:Security-External Integrations)