Update CHANGELOG

Author: zihejia

CHANGELOG.md

@@ -1,5 +1,18 @@
 #
 
+## [v1.3.0](https://github.com/mixpanel/mixpanel-react-native/tree/v1.3.0) (2021-07-28)
+
+**Closed issues:**
+
+- Xcode 12.5.1 linking issue [\#68](https://github.com/mixpanel/mixpanel-react-native/issues/68)
+- It only track on iOS in Android nothing at all [\#56](https://github.com/mixpanel/mixpanel-react-native/issues/56)
+
+**Merged pull requests:**
+
+- Deprecate the class method init\(\) and improve the example [\#76](https://github.com/mixpanel/mixpanel-react-native/pull/76)
+
+#
+
 ## [v1.2.4](https://github.com/mixpanel/mixpanel-react-native/tree/v1.2.4) (2021-06-24)
 
 **Closed issues:**
@@ -19,3 +32,5 @@
 
 
 
+
+