update changelog

Author: github-actions[bot]

changelog-versions/20.6.0.md

@@ -14,3 +14,7 @@
 
 - Images with alternative text should be included in card and row reading order [#2386](https://github.com/Telefonica/mistica-design/issues/2386)
 - SearchField improvements [#2040](https://github.com/Telefonica/mistica-design/issues/2040)
+
+## 🐞 Bugs fixed
+
+- Feedback success padding misalignment with prod [#2504](https://github.com/Telefonica/mistica-design/issues/2504)