[CI] Enable independent agents parallel tests

[mrodm]

Proposed commit message

Enable independent Elastic Agents and enable to run system tests in parallel for network_traffic and zeek packages.

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.

Related issues

• Closes [Buildkite] Enable independent Elastic Agents and for some packages enable parallel system tests #10201

[elasticmachine]

🚀 Benchmarks report

Package qualys_vmdr 👍(2) 💚(0) 💔(1)

Expand to view

Data stream	Previous EPS	New EPS	Diff (%)	Result
asset_host_detection	1310.62	909.09	-401.53 (-30.64%)	💔

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
No data about Coverage
No data about Duplication

See analysis details on SonarQube

[elasticmachine]

⏳ Build in-progress, with failures

• Buildkite Build
• Commit: 48f3cba

Failed CI Steps

• Check integrations aws
• Check integrations entityanalytics_okta
• Check integrations hadoop
• Check integrations kibana
• Check integrations symantec_endpoint_security

History

• 💚 Build #13266 succeeded e742640
• 💚 Build #13259 succeeded d8618c1

cc @mrodm

[mrodm]

Hi!

@elastic/sec-deployment-and-devices and @elastic/sec-linux-platform as you are the owners of the packages modified here, could you review this PR ? 😊

Thanks in advance!