CHANGELOG.md in xgb-0.7.2 vs CHANGELOG.md in xgb-0.7.3

@@ -1,4 +1,8 @@
+## 0.7.3 (2023-07-24)
+
+- Fixed error with `dup` and `clone`
+
 ## 0.7.2 (2023-05-12)
 
 - Updated XGBoost to 1.7.5
 - Added musl shared library for Linux
 - Improved error message for invalid matrix