⬆️ Upgrade pre-bundled react to 16.3.2

Author: BookOfGreg

VERSIONS.md

@@ -10,6 +10,7 @@ You can control what version of React.js (and JSXTransformer) is used by `react-
 | Gem      | React.js |
 |----------|----------|
 | master   | 16.2.0   |
+| 2.4.5    | 16.3.2   |
 | 2.4.4    | 16.2.0   |
 | 2.4.3    | 16.1.1   |
 | 2.4.2    | 16.1.1   |

lib/assets/react-source/development/react-server.js

@@ -7,8 +7,8 @@
     "create-react-class": "^15.6.2",
     "immutability-helper": "^2.4.0",
     "prop-types": "^15.6.0",
-    "react": "^16.2.0",
-    "react-dom": "^16.2.0",
+    "react": "16.3.2",
+    "react-dom": "16.3.2",
     "react-transition-group": "1.1.1",
     "webpack": "^1.12.2"
   },