[8.x](backport #41664) Enable Salesforce Filebeat Input for Windows and AIX

[mergify[bot]]

Proposed commit message

Make Salesforce Filebeat Input available for Windows and AIX platform to avoid errors like:

No such input type exist: 'salesforce'

on the aforementioned platforms. With this change the input should be available to users for use running on those platforms.

Made changes similar to: https://github.com/elastic/beats/pull/40609

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
• [x] I have added an entry in CHANGELOG.next.asciidoc or CHANGELOG-developer.next.asciidoc.

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  This is an automatic backport of pull request #41664 done by Mergify.

[botelastic[bot]]

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