Fix example package names for local JavaScriptKit dependency

Co-authored-by: Shelley <shelley@exe.dev>

Author: kateinoigakukun

Examples/ActorOnWebWorker/Package.swift

@@ -6,7 +6,7 @@ let package = Package(
     name: "Example",
     platforms: [.macOS("15"), .iOS("18"), .watchOS("11"), .tvOS("18"), .visionOS("2")],
     dependencies: [
-        .package(path: "../../")
+        .package(name: "JavaScriptKit", path: "../../")
     ],
     targets: [
         .executableTarget(

Examples/Multithreading/Package.swift

@@ -6,7 +6,7 @@ let package = Package(
     name: "Example",
     platforms: [.macOS("15"), .iOS("18"), .watchOS("11"), .tvOS("18"), .visionOS("2")],
     dependencies: [
-        .package(path: "../../"),
+        .package(name: "JavaScriptKit", path: "../../"),
         .package(
             url: "https://github.com/kateinoigakukun/chibi-ray",
             revision: "c8cab621a3338dd2f8e817d3785362409d3b8cf1"

Examples/OffscrenCanvas/Package.swift

@@ -6,7 +6,7 @@ let package = Package(
     name: "Example",
     platforms: [.macOS("15"), .iOS("18"), .watchOS("11"), .tvOS("18"), .visionOS("2")],
     dependencies: [
-        .package(path: "../../")
+        .package(name: "JavaScriptKit", path: "../../")
     ],
     targets: [
         .executableTarget(