Stick @types/node to 9.6.7 to avoid problems with 10.0.0 (#315)

Author: DorianGrey

Diff for: packages/react-scripts/scripts/init.js

@@ -105,7 +105,7 @@ module.exports = function(
 
   // Install dev dependencies
   const types = [
-    '@types/node',
+    '@types/node@9.6.7',
     '@types/react',
     '@types/react-dom',
     '@types/jest',