[8.13](backport #38941) Migrate X-PACK Filebeat pipeline to main Beat pipeline

[mergify]

Proposed commit message

Migrating the x-pack filebeat pipeline into the centralized Beats pipelines

Testing

• Simple build "default" case
  https://buildkite.com/elastic/beats/builds/5731#018ee6f4-2d18-4a97-882b-2aa0d90dfa65

• Adding all the labels
  https://buildkite.com/elastic/beats/builds/5764

• Running cloud tests build
  https://buildkite.com/elastic/beats-xpack-filebeat/builds/1655#018eeb54-b690-431f-8d4b-59cd33a9870f
  Same build from Jenkins https://beats-ci.elastic.co/blue/organizations/jenkins/Beats%2Fbeats/detail/PR-38941/16/pipeline/2687/

Signed-off-by: Alexandros Sapranidis [email protected]

---

This is an automatic backport of pull request #38941 done by [Mergify](https://mergify.com).

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[elasticmachine]

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• Duration: 13 min 55 sec

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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 mergify/bp/8.13/pr-38941 upstream/mergify/bp/8.13/pr-38941
git merge upstream/8.13
git push upstream mergify/bp/8.13/pr-38941

[dliappis]

LGTM