CHANGELOG.md in osqp-0.2.0 vs CHANGELOG.md in osqp-0.2.1

@@ -1,4 +1,8 @@
+## 0.2.1 (2022-07-05)
+
+- Added `Matrix` class
+
 ## 0.2.0 (2022-06-12)
 
 - Added ARM shared library for Linux
 - Fixed issue with infinite bounds
 - Dropped support for Ruby < 2.7