app service api-version

Author: GladwinJohnson

src/client/Microsoft.Identity.Client/ManagedIdentity/AppServiceManagedIdentitySource.cs

@@ -15,7 +15,7 @@ namespace Microsoft.Identity.Client.ManagedIdentity
     internal class AppServiceManagedIdentitySource : AbstractManagedIdentity
     {
         // MSI Constants. Docs for MSI are available here https://docs.microsoft.com/azure/app-service/overview-managed-identity
-        private const string AppServiceMsiApiVersion = "2019-08-01";
+        private const string AppServiceMsiApiVersion = "2025-03-30";
         private const string SecretHeaderName = "X-IDENTITY-HEADER";
 
         private readonly Uri _endpoint;

tests/Microsoft.Identity.Test.Common/Core/Mocks/MockHttpManagerExtensions.cs

@@ -423,7 +423,7 @@ private static MockHttpMessageHandler BuildMockHandlerForManagedIdentitySource(
             {
                 case ManagedIdentitySource.AppService:
                     httpMessageHandler.ExpectedMethod = HttpMethod.Get;
-                    expectedQueryParams.Add("api-version", "2019-08-01");
+                    expectedQueryParams.Add("api-version", "2025-03-30");
                     expectedQueryParams.Add("resource", resource);
                     expectedRequestHeaders.Add("X-IDENTITY-HEADER", "secret");
                     break;