Updated the CHANGELOG.

Author: HansMartinA

CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html) beginning with version [Unreleased].
+
+## [Unreleased]
+
+### Added
+
+- Trivial recovery strategy to generate model elements for unresolved proxy objects
+- Parser: `TextBlock`s are converted to `TextBockReference`s so that model elements are generated for text blocks
+
+### Changed
+
+- Minimum required Java version: Java 17
+- Supported Eclipse version: 2022-12
+- Third variant: bindings of parameters and local variables are also resolved
+- Migration to MDSD Tools organization
+    - Unification and renaming of packages to: `tools.mdsd.jamopp`
+    - Renaming of meta-model namespace URI to: `https://mdsd.tools/jamopp/java`
+
+### Deprecated
+
+### Removed
+
+### Fixed
+
+### Security
+
+[Unreleased]: https://github.com/MDSD-Tools/TheExtendedJavaModelParserAndPrinter/compare/releases/5.1.0...HEAD