CHANGELOG.md in anomaly-0.3.0 vs CHANGELOG.md in anomaly-0.4.0

@@ -1,4 +1,8 @@
+## 0.4.0 (2024-10-23)
+
+- Dropped support for Ruby < 3.1
+
 ## 0.3.0 (2022-09-05)
 
 - Dropped support for `narray` (use `numo-narray` instead)
 - Dropped support for Ruby < 2.7