Set Swift version

[objectiveSee]

I need to use a different swift version. Is there a setting to control this?

error no type named 'BitwiseCopyable' in module 'Swift'
error failed to build module 'DemoShared'; this SDK is not supported by the compiler (the SDK is built with 'Apple Swift version 6.0 effective-5.10 (swiftlang-6.0.0.9.10 clang-1600.0.26.2)', while this compiler is 'Apple Swift version 5.10 (swiftlang-5.10.0.13 clang-1500.3.9.4)'). Please select a toolchain which matches the SDK.
error failed to build module 'DemoCore'; this SDK is not supported by the compiler (the SDK is built with 'Apple Swift version 6.0 effective-5.10 (swiftlang-6.0.0.9.10 clang-1600.0.26.2)', while this compiler is 'Apple Swift version 5.10 (swiftlang-5.10.0.13 clang-1500.3.9.4)'). Please select a toolchain which matches the SDK.
error Failed to build ios project. "xcodebuild" exited with error code '65'. To debug build logs further, consider building your app with Xcode.app, by opening 'DemoBobBobExample.xcworkspace'.