[build-windows-toolchain] Fix SwiftSyntax dependency
[build-windows-toolchain] Fix SwiftSyntax dependency

apple/swift,benlangmuir/swift,apple/swift,benlangmuir/swift,glessard/swift,glessard/swift,glessard/swift,apple/swift,glessard/swift,roambotics/swift,roambotics/swift,roambotics/swift,roambotics/swift,glessard/swift,apple/swift,benlangmuir/swift,benlangmuir/swift,roambotics/swift,apple/swift,benlangmuir/swift,benlangmuir/swift,roambotics/swift,apple/swift,glessard/swift