Reapply "Capacitor 8 — Step B: migrate iOS from CocoaPods to Swift Package Manager"

This reverts commit 166bea4314.

mobile/plugins/native-call/Package.swift

@@ -0,0 +1,27 @@
+// swift-tools-version: 5.9
+import PackageDescription
+
+// SPM manifest for the native-call Capacitor plugin (Capacitor 8 uses SPM). LiveKit is declared here as a
+// REAL SPM dependency — LiveKit 2.1+ is SPM-native, so this replaces the CocoaPods git-tag pin hack entirely.
+// SPM resolves LiveKit + its LiveKitWebRTC / LiveKitUniFFI / SwiftProtobuf sub-packages directly.
+let package = Package(
+    name: "NativeCall",
+    platforms: [.iOS(.v15)],
+    products: [
+        .library(name: "NativeCall", targets: ["NativeCallPlugin"])
+    ],
+    dependencies: [
+        .package(url: "https://github.com/ionic-team/capacitor-swift-pm.git", from: "8.0.0"),
+        .package(url: "https://github.com/livekit/client-sdk-swift.git", exact: "2.15.3")
+    ],
+    targets: [
+        .target(
+            name: "NativeCallPlugin",
+            dependencies: [
+                .product(name: "Capacitor", package: "capacitor-swift-pm"),
+                .product(name: "Cordova", package: "capacitor-swift-pm"),
+                .product(name: "LiveKit", package: "client-sdk-swift")
+            ],
+            path: "ios/Sources/NativeCallPlugin")
+    ]
+)