Add packetbeat migration to siem docs

[sodhikirti07]

Summary

In 9.5, we are migrating two packetbeat jobs from the security_packetbeat module to the security_network module to improve compatibility with additional integrations such as Defend. This PR updates the list of security_packetbeat and security_network jobs accordingly.

• The packetbeat jobs packetbeat_dns_tunneling_ea and packetbeat_rare_dns_question_ea are updated from tag version 9.4+ to ga 9.0- 9.4. Moving forward, these jobs will no longer exist under the security_packetbeat module.
• Starting in 9.5, these jobs are renamed to dns_tunneling_ea and rare_dns_question_ea and moved under the security_network module with a tag version of 9.5+.

Generative AI disclosure

1. Did you use a generative AI (GenAI) tool to assist in creating this contribution?

• Yes
• No

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🔍 Preview links for changed docs

• reference/machine-learning/ootb-ml-jobs-siem.md

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[susan-shu-c]

Why is this 9.0-9.4 and is there other working examples of this syntax?

[sodhikirti07]

I added 9.0-9.4 here as this job will not exist after 9.4. I think you could refer to the jobs tagged with stack 9.0-9.3.
Can someone from the docs team also confirm the tag? @natasha-moore-elastic

[natasha-moore-elastic]

Hey @sodhikirti07, if I remember correctly, the _ea suffixed jobs were only introduced in 9.4. If this is being removed in 9.5 (i.e. it will exist in 9.4 only), then the syntax should be {stack: removed 9.5+, ga =9.4}

[sodhikirti07]

Thanks, updated the tags on packetbeat jobs