Update babel monorepo to v7.8.3

Author: renovate-bot

package.json

@@ -49,15 +49,15 @@
     "yargs": "12.0.2"
   },
   "devDependencies": {
-    "@babel/cli": "7.0.0",
-    "@babel/core": "7.0.0",
-    "@babel/plugin-proposal-class-properties": "7.0.0",
-    "@babel/plugin-syntax-flow": "7.0.0",
-    "@babel/plugin-syntax-object-rest-spread": "7.0.0",
-    "@babel/preset-env": "7.0.0",
-    "@babel/preset-flow": "7.0.0",
-    "@babel/preset-react": "7.0.0",
-    "@babel/register": "7.0.0",
+    "@babel/cli": "7.8.3",
+    "@babel/core": "7.8.3",
+    "@babel/plugin-proposal-class-properties": "7.8.3",
+    "@babel/plugin-syntax-flow": "7.8.3",
+    "@babel/plugin-syntax-object-rest-spread": "7.8.3",
+    "@babel/preset-env": "7.8.3",
+    "@babel/preset-flow": "7.8.3",
+    "@babel/preset-react": "7.8.3",
+    "@babel/register": "7.8.3",
     "babel-core": "7.0.0-bridge.0",
     "babel-jest": "23.4.2",
     "babel-plugin-graphql-tag": "1.6.0",