[FR] Add Windows Arm64 support

[loic-sharma]

Feature proposal

• Firebase Component: All

The FlutterFire package downloads a pre-built library. Currently it assumes an x64 architecture and fails on Windows Arm64 machine.

Ideally the Firebase C++ SDK would also publish a Windows Arm64 library. This would enable the FlutterFire package to choose the correct library based off the target architecture.

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[kthguru]

Are there any updates?

The latest version 11.8.0 does not yet have Windows Arm64 pre-built libraries.