Update babel7 to the latest version 🚀 (#34)

* chore(package): update @babel/cli to version 7.6.2

* chore(package): update @babel/core to version 7.6.2

* chore(package): update @babel/plugin-transform-runtime to version 7.6.2

* chore(package): update @babel/preset-env to version 7.6.2

package.json

@@ -17,17 +17,17 @@
     "mosaic"
   ],
   "devDependencies": {
-    "@babel/cli": "7.6.0",
-    "@babel/core": "7.6.0",
+    "@babel/cli": "7.6.2",
+    "@babel/core": "7.6.2",
     "babel-eslint": "10.0.3",
     "babel-jest": "24.9.0",
     "babel-loader": "8.0.6",
     "babel-plugin-syntax-trailing-function-commas": "^6.22.0",
     "babel-plugin-transform-class-properties": "^6.24.1",
     "babel-plugin-transform-object-rest-spread": "^6.26.0",
     "@babel/plugin-transform-react-constant-elements": "^7.6.0",
-    "@babel/plugin-transform-runtime": "^7.6.0",
-    "@babel/preset-env": "7.6.0",
+    "@babel/plugin-transform-runtime": "^7.6.2",
+    "@babel/preset-env": "7.6.2",
     "@babel/preset-react": "7.0.0",
     "enzyme": "^3.10.0",
     "enzyme-adapter-react-16": "^1.14.0",