Use Crypto instead of CryptoKit

Author: Joannis

Sources/NIOSSH/Keys And Signatures/CryptoKit+PrivateKeyProtocols.swift

@@ -14,7 +14,7 @@
 
 import Foundation
 import NIOCore
-import CryptoKit
+import Crypto
 
 struct Curve25519Signature: NIOSSHSignatureProtocol {
     static let signaturePrefix = "ssh-ed25519"

Sources/NIOSSH/Keys And Signatures/CryptoKit+PublicKeyProtocols.swift

@@ -14,7 +14,7 @@
 
 import Foundation
 import NIOCore
-import CryptoKit
+import Crypto
 
 extension Curve25519.Signing.PublicKey: NIOSSHPublicKeyProtocol {
     internal static var prefix: String { "ssh-ed25519" }