Update v2 changelog

CHANGELOG.md

@@ -100,6 +100,16 @@ Add the following to your application's `style.xml`
       <item name="backgroundColor" type="color">#f00</item>
   </resources>
   ```
+# 2.27.7
+## Added
+### iOS
+* Font weight option support on iOS [#f283e15](https://github.com/wix/react-native-navigation/commit/f283e155948c0ae190c1dde0fb3d78d5ac129af0) by [yogevbd]
+
+# 2.27.6
+## Fixed
+### iOS
+* Fix status bar disappear when presenting native camera screen on iOS [#6cfde5e](https://github.com/wix/react-native-navigation/commit/6cfde5e24c95506b6d31b2f40164fa3f196b72a6) by [yogevbd]
+
 # 2.27.5
 ## Fixed
 ### iOS