Use wrapRootElement in using-redux sample readme

[porfirioribeiro]

This api changed, so the README

[pieh]

Thanks!

[gatsbot]

	Fails
🚫	Danger failed to run /app/danger-0.poqq87o8zy.ts.

Error VMError

Cannot find module '../utils/testable-schedule'
VMError: Cannot find module '../utils/testable-schedule'
    at _require (/app/node_modules/vm2/lib/sandbox.js:246:25)
    at Object.<anonymous> (/app/danger-0.poqq87o8zy.ts:4:29)
    at NodeVM.run (/app/node_modules/vm2/lib/main.js:427:27)
    at Object.<anonymous> (/app/node_modules/danger/distribution/runner/runners/vm2.js:100:37)
    at step (/app/node_modules/danger/distribution/runner/runners/vm2.js:43:23)
    at Object.next (/app/node_modules/danger/distribution/runner/runners/vm2.js:24:53)
    at /app/node_modules/danger/distribution/runner/runners/vm2.js:18:71
    at new Promise (<anonymous>)
    at __awaiter (/app/node_modules/danger/distribution/runner/runners/vm2.js:14:12)
    at Object.exports.runDangerfileEnvironment (/app/node_modules/danger/distribution/runner/runners/vm2.js:83:121)

Dangerfile

----------------------------^

Generated by 🚫 dangerJS