chore: Use version instead of branch for SPM (#59)

Author: jcesarmobile

Package.swift

@@ -10,7 +10,7 @@ let package = Package(
             targets: ["AppIconPlugin"])
     ],
     dependencies: [
-        .package(url: "https://github.com/ionic-team/capacitor-swift-pm.git", branch: "main")
+        .package(url: "https://github.com/ionic-team/capacitor-swift-pm.git", from: "7.0.0")
     ],
     targets: [
         .target(