Add Hash -> Digest deprecation info

Sources/CryptoSwift/Digest.swift

@@ -6,6 +6,11 @@
 //  Copyright (c) 2014 Marcin Krzyzanowski. All rights reserved.
 //
 
+
+
+
+
+@available(*, deprecated:0.6.0, renamed: "Digest")
 typealias Hash = Digest
 
 public struct Digest {

Sources/CryptoSwift/Foundation/Data+Extension.swift

@@ -37,7 +37,7 @@ extension Data {
     }
 
     public func sha256() -> Data? {
-        let result = Hash.sha256(self.bytes)
+        let result = Digest.sha256(self.bytes)
         return Data(bytes: result)
     }