Bump fsevents. (facebook#4331)

Author: wtgtybhertgeghgtwtg

packages/react-scripts/package.json

@@ -75,7 +75,7 @@
  "react-dom": "^16.0.0"
  },
  "optionalDependencies": {
- "fsevents": "1.1.3"
+ "fsevents": "1.2.0"
  },
  "browserslist": {
  "development": [