win-onecore: Build with /APPCONTAINER for UWP compat

win-onecore: Build with /APPCONTAINER for UWP compat

When targeting the win-onecore configuration, we must link with
/APPCONTAINER which is a requirement for submitting apps to the
Windows Store.

Without this, the Windows App Certificate Kit will reject the app:
https://docs.microsoft.com/en-us/cpp/build/reference/appcontainer-windows-store-app

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/12400)