updates changelog and readme

Author: Evan Greer

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.3.19
+## Updates
+- updates to RN version 0.68.0 to address various security vulnerabilities
+
 ## 1.3.18
 ## Updates
 - adds user id login for sample apps

README.md

@@ -58,6 +58,7 @@ For quick reference, the following table lists the versions of the [Android SDK]
 
 | RN SDK Version                                                              | Android SDK Version                                                          | iOS SDK Version |
 | --------------------------------------------------------------------------- | ---------------------------------------------------------------------------- | --------------- |
+| [1.3.19](https://www.npmjs.com/package/@iterable/react-native-sdk/v/1.3.19) | [3.5.2](https://github.com/Iterable/iterable-android-sdk/releases/tag/3.5.2) | [6.5.3](https://github.com/Iterable/swift-sdk/releases/tag/6.5.3)
 | [1.3.18](https://www.npmjs.com/package/@iterable/react-native-sdk/v/1.3.18) | [3.5.2](https://github.com/Iterable/iterable-android-sdk/releases/tag/3.5.2) | [6.5.3](https://github.com/Iterable/swift-sdk/releases/tag/6.5.3)
 | [1.3.17](https://www.npmjs.com/package/@iterable/react-native-sdk/v/1.3.17) | [3.4.16](https://github.com/Iterable/iterable-android-sdk/releases/tag/3.4.16) | [6.4.15](https://github.com/Iterable/swift-sdk/releases/tag/6.4.15)
 | [1.3.16](https://www.npmjs.com/package/@iterable/react-native-sdk/v/1.3.16) | [3.4.15](https://github.com/Iterable/iterable-android-sdk/releases/tag/3.4.15) | [6.4.15](https://github.com/Iterable/swift-sdk/releases/tag/6.4.15)