Change iOS deployment target for Xcode 12
Change iOS deployment target for Xcode 12

This removes the warning about iOS 8 no longer being supported in Xcode 12 while maintaining support for older versions of Xcode. Technically checking the compiler version isn’t an exact 1:1 for checking for Xcode version, but in practice should work in all scenarios.

ishkawa/APIKit,ishkawa/APIKit