Merge pull request react-native-camera#2757 from fabriziobertoglio1987/fix/circle-ci-node-crash

node process crushing circleci

Author: MateusAndrade

examples/basic/metro.config.js

@@ -27,4 +27,5 @@ module.exports = {
       ),
     ]),
   },
+  maxWorkers: 2,
 };