Update release notes for #5407

Author: cowtowncoder

release-notes/VERSION

@@ -16,6 +16,10 @@ Versions: 3.x (for earlier see VERSION-2.x)
  (fix by Joo-Hyuk K)
 #5401: Regression with `@JsonCreator` that returns `null` for empty strings
  (fix contributed by Joost K)
+#5408: Jackson 3 `JsonNode#required(java.lang.String)` throws `JsonNodeException`
+  different from JavDoc
+ (reported by @jochenberger)
+ (fix by Joo-Hyuk K)
 
 3.0.2 (07-Nov-2025)