Update swift tool

Author: tiwu5566

Package.swift

@@ -1,28 +1,34 @@
-// swift-tools-version:5.1
+// swift-tools-version:5.5
 
 /**
 *  FTPPublishDeploy
-*  Copyright (c) Brian Dinsen 2020
+*  Copyright (c) Ti Wu 2023
 *  MIT license, see LICENSE file for details
 */
 
 import PackageDescription
 
 let package = Package(
     name: "FTPPublishDeploy",
+    platforms: [.macOS(.v12)],
     products: [
         .library(
             name: "FTPPublishDeploy",
             targets: ["FTPPublishDeploy"]),
     ],
     dependencies: [
         .package(url: "https://github.com/johnsundell/files.git", from: "4.0.0"),
-        .package(url: "https://github.com/johnsundell/publish.git", from: "0.9.0"),
+        .package(url: "https://github.com/johnsundell/publish.git", from: "0.8.0"),
         .package(url: "https://github.com/johnsundell/shellout.git", from: "2.3.0"),
     ],
     targets: [
         .target(
             name: "FTPPublishDeploy",
-            dependencies: ["Files", "Publish", "ShellOut"]),
+            dependencies: [
+                .product(name: "Files", package: "files"),
+                .product(name: "Publish", package: "publish"),
+                .product(name: "ShellOut", package: "shellout")
+            ]
+        ),
     ]
 )