Replace source code with binary targets to enforce Library Evolution and resolve conflicts

Package.swift

@@ -1,22 +1,26 @@
-// swift-tools-version:5.2
+// swift-tools-version:5.3
+
 import PackageDescription
 
 let package = Package(
-    name: "SwiftyRSA",
-    products: [
-        .library(
-            name: "SwiftyRSA",
-            type: .dynamic,
-            targets: ["SwiftyRSA"]),
-    ],
-    dependencies: [
-    ],
-    targets: [
-        .target(
-            name: "SwiftyRSA",
-            dependencies: [],
-            path: "Source",
-            swiftSettings: [.unsafeFlags(["-enable-library-evolution"])]
-            )
-    ]
+  name: "SwiftyRSA",
+  platforms: [
+    .iOS(.v11), .macOS(.v10_13), .tvOS(.v11), .watchOS(.v4)
+  ],
+  products: [
+    .library(
+      name: "SwiftyRSA",
+      // removed 'type: .dynamic' because the XCFramework binary determines its own linking type.
+      targets: ["SwiftyRSA"]
+    ),
+  ],
+  dependencies: [],
+  targets: [
+    // Switch to Binary Target to enforce Library Evolution (LE) support
+    .binaryTarget(
+      name: "SwiftyRSA",
+      url: "https://github.com/bangnguyengrab/SwiftyRSA/releases/download/1.8.8/SwiftyRSA.xcframework.zip",
+      checksum: "9122380b2b0832a6d9d9ed890c910964d85bf87e0d0bda63cd9f2579eafcc5cc"
+    )
+  ]
 )