[sysdig] Add support for security event datastream

[brijesh-elastic]

Proposed commit message

sysdig: add support for security event datastream.

This security events logs provides an overview of your infrastructure,
and allows you to deep-dive into specific security events, distinguish,
false positives, and configure policies to enhance performance.

Sanitized test case inputs were obtained from live Sysdig Secure instance
using the Sysdig Next Gen API.

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.
• I have verified that any added dashboard complies with Kibana's Dashboard good practices

How to test this PR locally

• Clone integrations repo.
• Install elastic package locally.
• Start elastic stack using elastic-package.
• Move to integrations/packages/sysdig directory.
• Run the following command to run tests.

elastic-package test

Related issues

• Closes [Sysdig Secure] New data stream: Runtime Threat Detection #12270

Screenshots

[elasticmachine]

Pinging @elastic/security-service-integrations (Team:Security-Service Integrations)

[elastic-vault-github-plugin-prod]

🚀 Benchmarks report

To see the full report comment with /test benchmark fullreport

[elastic-sonarqube]

Quality Gate passed

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
92.6% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube

[elasticmachine]

💚 Build Succeeded

• Buildkite Build
• Commit: 6f10257

cc @brijesh-elastic