Update the default authentication scope for the public cloud. (Azure#22005)

Author: pallavit

sdk/containerregistry/azure-containers-containerregistry/src/main/java/com/azure/containers/containerregistry/ContainerRegistryClientBuilder.java

@@ -114,7 +114,7 @@ public ContainerRegistryClientBuilder endpoint(String endpoint) {
      *
      * <p>
      * Example:- For Azure public cloud this value is same as AzureEnvironment.Azure.managementEndpoint().
-     * For more information - http://azure.github.io/ref-docs/java/com/microsoft/azure/AzureEnvironment.html
+     * For more information - https://docs.microsoft.com/en-us/azure/active-directory/managed-identities-azure-resources/services-support-managed-identities#azure-resource-manager
      * </p>
      *
      * @param authenticationScope ARM management scope associated with the given registry.

sdk/containerregistry/azure-containers-containerregistry/src/main/java/com/azure/containers/containerregistry/implementation/authentication/ContainerRegistryRefreshTokenCredential.java

@@ -17,7 +17,7 @@ public class ContainerRegistryRefreshTokenCredential {
     private final TokenCredential aadTokenCredential;
     private final TokenServiceImpl tokenService;
     private final String authenticationScope;
-    public static final String AAD_DEFAULT_SCOPE = "https://management.core.windows.net/.default";
+    public static final String AAD_DEFAULT_SCOPE = "https://management.azure.com/.default";
 
     /**
      * Creates an instance of RefreshTokenCredential with default scheme "Bearer".