Update release notes wrt #959

Author: k163377

release-notes/CREDITS-2.x

@@ -18,6 +18,7 @@ Contributors:
 # 2.19.0 (not yet released)
 
 WrongWrong (@k163377)
+* #959: Add extensions for configOverride
 * #954: Replace BooleanTriState with OptBoolean
 * #944: Fixed to use common util for Member accessibility override
 * #937: Added type match check to read functions

release-notes/VERSION-2.x

@@ -18,6 +18,7 @@ Co-maintainers:
 
 2.19.0 (not yet released)
 
+#959: Extension functions has been added to simplify `configOverride` calls to `ObjectMapper` and `Module.SetupContext`.
 #954: Replaced `OptBoolean` of internal caching with a common implementation.
 #944: Common util is now used for member accessibility overrides.
 #937: For `readValue` and other shorthands for `ObjectMapper` deserialization methods,