PowerShell 7.5.5.0: Add msix entries alongside msi entries

[anamnavi]

Checklist for Pull Requests

• Have you signed the Contributor License Agreement?
• Is there a linked Issue? If so, fill in the Issue number below.
  • Resolves [Update Request]: Microsoft.PowerShell (.msixbundle installer) #336497

Manifests

• Have you checked that there aren't other open pull requests for the same manifest update/change?
• This PR only modifies one (1) manifest
• Have you validated your manifest locally with winget validate --manifest <path>?
• Have you tested your manifest locally with winget install --manifest <path>?
• Does your manifest conform to the 1.12 schema?

Note: <path> is the directory's name containing the manifest you're submitting.

---

Microsoft Reviewers: Open in CodeFlow

[wingetbot]

Validation Pipeline Run WinGetSvc-Validation-136-349842-20260318-1

[denelon]

@wingetbot run

[wingetbot]

Validation Pipeline Run WinGetSvc-Validation-136-349842-20260319-1