Update changelog for 16.3.3

[ci skip]

jh/CHANGELOG.md

+## 16.3.3 (2023-09-13)
+
+JH changes only. For others see [CHANGELOG.md](../CHANGELOG.md)
+### Fixed (2 changes)
+
 ## 16.3.2 (2023-09-06)
 
 JH changes only. For others see [CHANGELOG.md](../CHANGELOG.md)