[netflow] Restore netflow input on Windows

[taylor-swanson]

Proposed commit message

• In 8.13, the netflow input was accidentally removed from the list of inputs for Windows. This restores netflow as an input under Windows.

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 this PR locally

• Run the netflow input on Windows

Related issues

• Relates elastic/sdh-beats#4626
• Fixes regression from x-pack/filebeat/input/etw: New input #36915

[mergify]

This pull request does not have a backport label.
If this is a bug or security fix, could you label this PR @taylor-swanson? 🙏.
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-v8./d.0 is the label to automatically backport to the 8./d branch. /d is the digit

[elasticmachine]

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[elasticmachine]

Pinging @elastic/sec-deployment-and-devices (Team:Security-Deployment and Devices)

[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 bug/restore-windows-netflow upstream/bug/restore-windows-netflow
git merge upstream/main
git push upstream bug/restore-windows-netflow