Add a note wrt #13 being implemented (both via earlier patch for resolving decoder and newer one wrt Avro annotations)

Author: cowtowncoder

release-notes/VERSION

@@ -11,9 +11,9 @@ Modules:
 
 2.9.0 (not yet released)
 
+#13 (avro): Add support for Avro default values
 #14 (avro): Add support for Avro annotations via `AvroAnnotationIntrospector`
  (contributed by baharclerode@github)
-
 #15 (avro): Add a way to produce "file" style Avro output
 - [avro] Upgrade `avro-core` dep from 1.7.7 to 1.8.1