filebeat/input/udp: add fleet input status updating

[taylor-swanson]

Proposed commit message

• Add fleet input status updating to the UDP input

Checklist

• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have made corresponding change to the default configuration files
• I have added tests that prove my fix is effective or that my feature works
• I have added an entry in CHANGELOG.next.asciidoc or CHANGELOG-developer.next.asciidoc.

Disruptive User Impact

Author's Checklist

How to test this PR locally

Related issues

• Closes [Filebeat] Add health status reporting to UDP input #44419

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[mergify]

This pull request is now in conflicts. Could you fix it? 🙏
To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

git fetch upstream
git checkout -b feat/udp-input-status upstream/feat/udp-input-status
git merge upstream/main
git push upstream feat/udp-input-status

[elasticmachine]

Pinging @elastic/sec-deployment-and-devices (Team:Security-Deployment and Devices)

[mergify]

This pull request is now in conflicts. Could you fix it? 🙏
To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

git fetch upstream
git checkout -b feat/udp-input-status upstream/feat/udp-input-status
git merge upstream/main
git push upstream feat/udp-input-status

[elasticmachine]

Pinging @elastic/elastic-agent-data-plane (Team:Elastic-Agent-Data-Plane)

[mauri870]

@taylor-swanson Can you fix the changelog conflicts? Thank you.