fix(package): update @testing-library/user-event to version 10.2.0

Closes #18

Author: greenkeeper[bot]

package.json

@@ -16,7 +16,7 @@
     "@material-ui/pickers": "^3.2.8",
     "@testing-library/jest-dom": "^5.0.0",
     "@testing-library/react": "^9.3.2",
-    "@testing-library/user-event": "^9.0.0",
+    "@testing-library/user-event": "^10.2.0",
     "classnames": "^2.2.6",
     "clsx": "^1.0.4",
     "date-fns": "^2.8.1",