Update published-namespaces.txt

Author: moljac

published-namespaces.txt

@@ -1158,6 +1158,8 @@ KotlinX.Serialization
 KotlinX.Serialization.Builtins
 KotlinX.Serialization.Descriptors
 KotlinX.Serialization.Encoding
+KotlinX.Serialization.Json
+KotlinX.Serialization.Json.Internal
 KotlinX.Serialization.Modules
 KotlinX.Serialization.Protobuf
 KotlinX.Serialization.Protobuf.Internal