[9.2](backport #45944) chore: fix formatting issues in logp printf-style calls

[mergify]

Proposed commit message

This PR fixes fatal go vet errors on calls to logp functions. Release v0.22.1 of elastic-agent-libs enabled proper go vet support for printf style calls in logp, and that uncovered many misuses of printing directives.

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.

How to test

$ go get -u github.com/elastic/[email protected]
$ go vet ./...

Related issues

• Relates logp: enable go vet checks for printf directives elastic-agent-libs#340.

---

This is an automatic backport of pull request #45944 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of a5be2a8 has failed:

On branch mergify/bp/9.2/pr-45944
Your branch is up to date with 'origin/9.2'.

You are currently cherry-picking commit a5be2a856.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   libbeat/processors/add_host_metadata/add_host_metadata.go

no changes added to commit (use "git add" and/or "git commit -a")

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[github-actions]

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Just comment with:

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

[elasticmachine]

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

[mauri870]

Closing since mergify opened this by mistake when changing labels.