Update Powerstig to parse\apply Microsoft Office 365 ProPlus STIG - Ver 3, Rel 1 #1372

[hinderjd]

Pull Request (PR) description: Update Powerstig to parse\apply Microsoft Office 365 ProPlus STIG - Ver 3, Rel 1 This Pull Request (PR) fixes the following issues:

This fixes #

1372

Task list:

• [X] Change details added to Unreleased section of CHANGELOG.md (Not required for Convert modules)?
• [ ] Added/updated documentation, comment-based help and descriptions where appropriate?
• [ ] Examples appropriately updated?
• [X] New/changed code adheres to Style Guidelines?
• [ ] Unit and (optional) Integration tests created/updated where possible?

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This change is