[9.1](backport #45967) [filebeat] update changelog: add fix panic when registering metrics

[mergify]

Proposed commit message

update elastic-agent-libs to fix panic when registering metrics

A race condition on elastic-agent-libs (https://github.com/elastic/elastic-agent-libs/issues/319)
could cause filestream to panic when registering its metrics (https://github.com/elastic/beats/issues/45822).
elastic-agent-libs was updated to v0.23.0 by commit https://github.com/elastic/beats/commit/a601b44f74cfdae6f0d63e05dc3b2f4c478206b0, which has the issue fixed.
This commit updates the chancgelog

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

• N/A

How to test this PR locally

Follow the steps on #45822 to ensure the panic does not happen

Related issues

• Closes Filebeat panic: name gzip_started already used #45822

  ---

  This is an automatic backport of pull request [filebeat] update changelog: add fix panic when registering metrics #45967 done by Mergify.

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[elasticmachine]

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

[mergify]

This pull request has not been merged yet. Could you please review and merge it @AndersonQ? 🙏