Update AzureKeyVault (#4653)

* Update AzureKeyVault

* update global.json

eng/common/AzurePipelinesTemplates/WindowsAppSDK-BuildSetup-Steps.yml

@@ -24,7 +24,7 @@ parameters:
 steps:
   - checkout: git://ProjectReunion/WindowsAppSDKAggregator
 
-  - task: AzureKeyVault@1
+  - task: AzureKeyVault@2
     inputs:
       azureSubscription: ${{ parameters.AzureSubscriptionServiceConnection }}
       KeyVaultName: 'ProjectReunionCerts'

global.json

@@ -1,6 +1,6 @@
 {
   "tools": {
-    "dotnet": "6.0.414"
+    "dotnet": "6.0.425"
   },
   "msbuild-sdks": {
     "Microsoft.WinAppSDK.EngCommon": "1.6.240418"