Update release notes wrt #631

Author: k163377

release-notes/CREDITS-2.x

@@ -23,6 +23,7 @@ Ilya Ryzhenkov (@orangy)
 WrongWrong (@k163377)
 * #627: Merge creator cache for Constructor and Method
 * #628: Remove unnecessary cache
+* #631: Fix minor bugs in SimpleModule.addSerializer/addDeserializer(#558)
 
 # 2.14.0
 

release-notes/VERSION-2.x

@@ -24,6 +24,7 @@ Co-maintainers:
  (contributed by Ilya R)
 #627: Merge creator cache for Constructor and Method
 #628: Remove unnecessary cache
+#631: Fix minor bugs in SimpleModule.addSerializer/addDeserializer(#558)
 
 2.14.2 (28-Jan-2023)
 2.14.1 (21-Nov-2022)