[filebeat] update changelog: add fix panic when registering metrics

[AndersonQ]

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

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Just comment with:

• run docs-build : Re-trigger the docs validation. (use unformatted text in the comment!)

[mergify]

This pull request does not have a backport label.
If this is a bug or security fix, could you label this PR @AndersonQ? 🙏.
For such, you'll need to label your PR with:

• The upcoming major version of the Elastic Stack
• The upcoming minor version of the Elastic Stack (if you're not pushing a breaking change)

To fixup this pull request, you need to add the backport labels for the needed
branches, such as:

• backport-8./d is the label to automatically backport to the 8./d branch. /d is the digit
• backport-active-all is the label that automatically backports to all active branches.
• backport-active-8 is the label that automatically backports to all active minor branches for the 8 major.
• backport-active-9 is the label that automatically backports to all active minor branches for the 9 major.

[mauri870]

Sorry for the delay, this should be unblocked now that the go vet errors are resolved.

[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 45822-upgrade-elastic-agent-libs upstream/45822-upgrade-elastic-agent-libs
git merge upstream/main
git push upstream 45822-upgrade-elastic-agent-libs

[elasticmachine]

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

[cmacknz]

Does this need to be backported? What version was the problem introduced in?

[AndersonQ]

Does this need to be backported? What version was the problem introduced in?

We started to see it only on main as there are more metrics being added, it became easier to trigger the bug. However the bug on the monitoring lib has existed for quite some time.

#45944 has been backported to 9.0 and 9.1, the 8.19 PR is still open. So we can backport it as well. Also there aren't much changes on agent-libs, just this bug fix, go vet changes and 2 additions: elastic/elastic-agent-libs@v0.21.5...v0.22.2

seems ok to backport and brings value. I'll add the tags

[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 45822-upgrade-elastic-agent-libs upstream/45822-upgrade-elastic-agent-libs
git merge upstream/main
git push upstream 45822-upgrade-elastic-agent-libs

[AndersonQ]

@belimawr, @mauri870 done. Also I put it in the right section. I linked the PR that actually upgrades the lib

[mauri870]

LGTM. Thanks!