Update changeset about map/directory API cleaning (#20366)

A follow-up update of
#20030

.changeset/clever-cats-jump.md

@@ -1,10 +1,13 @@
 ---
-"fluid-framework": minor
-"@fluidframework/map": minor
+"fluid-framework": major
+"@fluidframework/map": major
 ---
 
 DDS classes are no longer publicly exported
 
 SharedDirectory now only exports its factory and the interface type.
 The actual concrete classes which leak implementation details are no longer exported.
-Users of the `SharedDirectory` type should use `ISharedDirectory`.
+Users of the `SharedDirectory` type should use `ISharedDirectory`.
+
+Most of other internal crufts are also hided within the API surface, such as the encoded format, 
+ILocalValue, ICreateInfo, local op metadata types, etc.