Add release note

Signed-off-by: Jackie Elliott <jaellio@microsoft.com>

Author: jaellio

mesh/v1alpha1/config.pb.go

@@ -448,7 +448,7 @@ message MeshConfig {
     // Scope configuration to be applied to matching services.
     //
     // For example, the following configures the scope of all services with the "istio.io/global" label
-    // to be global:
+    // to be available globally: 
     //
     // ```yaml
     // serviceSettings:

mesh/v1alpha1/config.proto

@@ -0,0 +1,9 @@
+apiVersion: release-notes/v2
+kind: feature
+area: traffic-management
+issue:
+  - https://github.com/istio/istio/issues/54245
+
+releaseNotes:
+  - |
+    **Added** API to configure service scopes in the MeshConfig.