Merge branch '2.16' into 2.17

Author: cowtowncoder

release-notes/VERSION-2.x

@@ -28,7 +28,7 @@ Active maintainers:
  (fix contributed by Arthur C)
 -(ion) Update `com.amazon.ion:ion-java` to 1.11.0 (from 1.10.5)
 
-2.16.1 (not yet released)
+2.16.1 (24-Dec-2023)
 
 #303: `NullPointerException` in `IonParser.nextToken()`
  (reported by @ZanderHuang)