Update serialization lib version to 0.50.0

In preparation for release

Signed-off-by: Eric Kunze <eric.kunze@arm.com>
Change-Id: I58337a835b2afa47f80f27e4a0ebc70836a544ab
diff --git a/python/serializer/tosa_serializer.py b/python/serializer/tosa_serializer.py
index 861ea46..e7bcef1 100644
--- a/python/serializer/tosa_serializer.py
+++ b/python/serializer/tosa_serializer.py
@@ -30,9 +30,9 @@
 
 # Keep version number in sync with the version default value with schema/tosa.fbs
 TOSA_VERSION_MAJOR = 0
-TOSA_VERSION_MINOR = 41
+TOSA_VERSION_MINOR = 50
 TOSA_VERSION_PATCH = 0
-TOSA_VERSION_DRAFT = True
+TOSA_VERSION_DRAFT = False
 TOSA_VERSION = [
     TOSA_VERSION_MAJOR,
     TOSA_VERSION_MINOR,