Update React version

package.json

@@ -4,18 +4,18 @@
   "description": "Sample application using SimpleWebRTC",
   "main": "src/index.js",
   "dependencies": {
-    "@andyet/simplewebrtc": "^1.0.2",
+    "@andyet/simplewebrtc": "^1.17.0",
     "babel-loader": "^7.1.4",
     "emotion": "^9.0.2",
     "parcel-bundler": "^1.5.1",
-    "react": "^16.2.0",
-    "react-contenteditable": "^2.1.0",
-    "react-dom": "^16.2.0",
+    "react": "^16.13.1",
+    "react-contenteditable": "^3.3.4",
+    "react-dom": "^16.13.1",
     "react-emotion": "^9.0.2",
-    "react-redux": "^5.0.6",
-    "redux": "^3.7.2",
+    "react-redux": "^7.2.0",
+    "redux": "^4.0.5",
     "redux-logger": "^3.0.6",
-    "redux-thunk": "^2.2.0",
+    "redux-thunk": "^2.3.0",
     "uuid": "^3.3.2",
     "webpack": "^4.14.0",
     "webpack-cli": "^3.0.8",