Update multiple-languages example

Author: ratson

examples/multiple-languages/package.json

@@ -9,18 +9,18 @@
   },
   "dependencies": {
     "intl": "^1.2.5",
-    "prop-types": "^15.6.2",
-    "react": "^16.5.0",
-    "react-dom": "^16.5.0",
-    "react-intl": "^2.4.0",
+    "prop-types": "^15.7.2",
+    "react": "^16.8.6",
+    "react-dom": "^16.8.6",
+    "react-intl": "^2.8.0",
     "react-intl-redux": "file:../..",
-    "react-redux": "^5.0.7",
-    "react-scripts": "1.1.5",
-    "redux": "^4.0.0"
+    "react-redux": "^7.0.2",
+    "react-scripts": "2.1.8",
+    "redux": "^4.0.1"
   },
   "devDependencies": {
     "del-cli": "^1.1.0",
-    "redux-devtools": "^3.4.1",
+    "redux-devtools": "^3.5.0",
     "redux-devtools-dock-monitor": "^1.1.3",
     "redux-devtools-log-monitor": "^1.4.0"
   },