[9.5](backport #51950) mod: replace gopkg.in/natefinch/lumberjack.v2 with elastic fork

[mergify]

Proposed commit message

See title.

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. Where relevant, I have used the stresstest.sh script to run them under stress conditions and race detector to verify their stability.
• I have added an entry in ./changelog/fragments using the changelog tool.

Disruptive User Impact

How to test this PR locally

Related issues

• Closes mod: replace github.com/natefinch/lumberjack with elastic fork #49092
• Fixes x-pack/filebeat/input: tracer leaks goroutines via lumberjack.Logger.Close #49035

Use cases

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Logs

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This is an automatic backport of pull request #51950 done by [Mergify](https://mergify.com).

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