Demonstrating bug with `cherReplayingLatest`.

cher_replaying_latest_bug.swift

var subscriptions = Set<AnyCancellable>()

let cheredWithReplay = Just(1)
	.cherReplayingLatest()

cheredWithReplay
	.sink(
		receiveCompletion: { print("First completion: \($0)") },
		receiveValue: { print("First sink: \($0)") }
	)
	.store(in: &subscriptions)

DispatchQueue.main.asyncAfter(deadline: .now() + .seconds(3)) { /// (1) Queuing up another
	/// subscription, three seconds later.
	cheredWithReplay
		.sink(
			receiveCompletion: { print("Second completion: \($0)") },
			receiveValue: { print("Second sink: \($0)") }
		)
		.store(in: &subscriptions)
}

/// (2) Console output:
/// ```
/// First sink: 1
/// First completion: finished
/// Second completion: finished
/// ```