Update workflow for testing against react@next (#10323)
Update workflow for testing against react@next (#10323)


JeromeFitz/next.js,flybayer/next.js,zeit/next.js,azukaru/next.js,azukaru/next.js,azukaru/next.js,flybayer/next.js,flybayer/next.js,JeromeFitz/next.js,JeromeFitz/next.js,JeromeFitz/next.js,zeit/next.js,flybayer/next.js,zeit/next.js,azukaru/next.js