[cppwinrt] Update to latest release of cppwinrt

[HarjitSi]

Description / Steps to reproduce the issue

Latest release of cppwinrt from https://www.nuget.org/packages/Microsoft.Windows.CppWinRT/ is: Version 2.0.250303.1

Expected behavior

Included version of files are from: Version 2.0.250303.1 (or newer).

Actual behavior

Version is from 2024.

Verification

• I have verified that my MSYS2 is up-to-date before submitting the report (see https://www.msys2.org/docs/updating/)

Windows Version

MINGW64_NT-10.0-26100

MINGW environments affected

• MINGW64
• MINGW32
• UCRT64
• CLANG64
• CLANGARM64

Are you willing to submit a PR?

I don't know how. If there is a Wiki, I'm happy to learn and try. Thank you!