Remove draft tag for 0.23 release

Update to the corresponding serialization library

Change-Id: I323bf306d409b51bbf53447927953edd0fd79983
Signed-off-by: Eric Kunze <eric.kunze@arm.com>
diff --git a/reference_model/src/main.cpp b/reference_model/src/main.cpp
index 71d8885..073116e 100644
--- a/reference_model/src/main.cpp
+++ b/reference_model/src/main.cpp
@@ -28,7 +28,7 @@
 #define MODEL_VERSION_MAJOR 0
 #define MODEL_VERSION_MINOR 23
 #define MODEL_VERSION_PATCH 0
-#define MODEL_VERSION_DRAFT true
+#define MODEL_VERSION_DRAFT false
 
 using namespace TosaReference;
 using namespace tosa;
diff --git a/thirdparty/serialization_lib b/thirdparty/serialization_lib
index 38d214c..5867c9a 160000
--- a/thirdparty/serialization_lib
+++ b/thirdparty/serialization_lib
@@ -1 +1 @@
-Subproject commit 38d214cfa4491f1956f28d7eff428a8ed07d824c
+Subproject commit 5867c9afd41843c167ad7595fdc6ef155e50cb29