Updates sample apps to Release 0.79.0 (#1041)

## Description
Updates sample apps to Release preview .79
### Why
0.79 Release

Resolves [Add Relevant Issue Here]
microsoft/react-native-windows#14450

## Screenshots
**Calculator** 

_csharp_


https://github.com/user-attachments/assets/8d08bf66-0bb4-4f51-bb77-4cee7fbe6b7c




_cppwinrt_


https://github.com/user-attachments/assets/702452bc-ecb9-45fe-bde7-90928d90eb4e




_Fabric_  


https://github.com/user-attachments/assets/58b4d96b-676e-4904-aa56-3a0ad8665ff4





**NativeModuleSample**


https://github.com/user-attachments/assets/becb02ca-97ef-4b90-afb7-9aa442c79deb






###### Microsoft Reviewers: [Open in
CodeFlow](https://microsoft.github.io/open-pr/?codeflow=https://github.com/microsoft/react-native-windows-samples/pull/1041)

---------

Co-authored-by: Anupriya Verma <54227869+anupriya13@users.noreply.github.com>

Author: iamAbhi-916

samples/Calculator/cppwinrt/Gemfile

@@ -8,3 +8,9 @@ gem 'cocoapods', '>= 1.13', '!= 1.15.0', '!= 1.15.1'
 gem 'activesupport', '>= 6.1.7.5', '!= 7.1.0'
 gem 'xcodeproj', '< 1.26.0'
 gem 'concurrent-ruby', '< 1.3.4'
+
+# Ruby 3.4.0 has removed some libraries from the standard library.
+gem 'bigdecimal'
+gem 'logger'
+gem 'benchmark'
+gem 'mutex_m'

samples/Calculator/cppwinrt/README.md

@@ -4,7 +4,7 @@ See [../README.md](../README.md) for details of this sample.
 
 See [../csharp/](../csharp/) for a C# version of this sample.
 
-It currently targets React Native Windows 0.78.
+It currently targets React Native Windows 0.79.
 
 ### Setup
 See [../README.md#Setup](../README.md#Setup).

samples/Calculator/cppwinrt/android/gradle/wrapper/gradle-wrapper.jar

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

samples/Calculator/cppwinrt/android/gradle/wrapper/gradle-wrapper.properties

@@ -4,18 +4,36 @@ import React_RCTAppDelegate
 import ReactAppDependencyProvider
 
 @main
-class AppDelegate: RCTAppDelegate {
-  override func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool {
-    self.moduleName = "Calculator"
-    self.dependencyProvider = RCTAppDependencyProvider()
+class AppDelegate: UIResponder, UIApplicationDelegate {
+  var window: UIWindow?
 
-    // You can add your custom initial props in the dictionary below.
-    // They will be passed down to the ViewController used by React Native.
-    self.initialProps = [:]
+  var reactNativeDelegate: ReactNativeDelegate?
+  var reactNativeFactory: RCTReactNativeFactory?
 
-    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
+  func application(
+    _ application: UIApplication,
+    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? = nil
+  ) -> Bool {
+    let delegate = ReactNativeDelegate()
+    let factory = RCTReactNativeFactory(delegate: delegate)
+    delegate.dependencyProvider = RCTAppDependencyProvider()
+
+    reactNativeDelegate = delegate
+    reactNativeFactory = factory
+
+    window = UIWindow(frame: UIScreen.main.bounds)
+
+    factory.startReactNative(
+      withModuleName: "Calculator",
+      in: window,
+      launchOptions: launchOptions
+    )
+
+    return true
   }
+}
 
+class ReactNativeDelegate: RCTDefaultReactNativeFactoryDelegate {
   override func sourceURL(for bridge: RCTBridge) -> URL? {
     self.bundleURL()
   }