[openssl3] Support .pc file generation

[luncliff]

Changes

Create .pc files in Windows platform install

• tools will be Windows only (the other platforms will be fixed soon, x64-linux, x64-uwp, etc)

References

• https://github.com/microsoft/vcpkg/blob/master/ports/openssl
• https://github.com/microsoft/vcpkg/blob/master/ports/openssl/install-pc-files.cmake

Triplet Support

• x64-windows
• arm64-windows

Configuration

"vcpkg-configuration.json" changes for the release.

{
    "registries": [
        {
            "kind": "git",
            "repository": "https://github.com/luncliff/vcpkg-registry",
            "packages": [
                "openssl3"
            ],
            "baseline": "..."
        }
    ]
}