Add missing changelog entries

Author: michaelmior

CHANGELOG.md

@@ -8,11 +8,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Added
 - Support `patternProperties` when converting to a dynamic object
+- Enable SBOM in Docker build
 
 ### Fixed
 - Fix some anomaly checking with `patternProperties`
 - Fix some anomaly checking with `additionalProperties`
 
+### Changed
+- Update to Java 11
+- Change base image for Docker container
+- Set build timestamp for reproducible builds
+
 ## [0.20.1] - 2024-02-28
 ### Added
 - Support for using `treeReduce` with Apache Spark