[TaskLocals] v4: property wrapper style, binding in synchronous funcs, async/send rather than force propagation through detach
[TaskLocals] v4: property wrapper style, binding in synchronous funcs, async/send rather than force propagation through detach

apple/swift-evolution,apple/swift-evolution,abertelrud/swift-evolution,abertelrud/swift-evolution,natecook1000/swift-evolution,natecook1000/swift-evolution