New package: Microsoft.MSXML.4 version 4.0-SP3

[DandelionSprout]

📖 Description

Added MSXML 4.0 SP3 Parser, a.k.a. Microsoft XML Core Services 4.0 Service Pack 3.

✅ Checklist

• Signed the Contributor License Agreement
• Linked to an issue (if applicable)
  • Resolves New package: Microsoft.MSXML.4 version 4.0 SP3 #378933.

📦 Manifest Checklist

• Checked that there aren't other open pull requests for the same manifest update/change
• This PR only modifies one (1) manifest
• Validated manifest locally with winget validate --manifest <path> (validation guide)
• Tested manifest locally with winget install --manifest <path>
• Manifest conforms to the 1.12 schema

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

Microsoft Reviewers: Open in CodeFlow

[wingetbot]

Validation Pipeline Run WinGetSvc-Validation-142-378943-20260524-1