docs: call out change of after hook result in migration guide (#1692)
docs: call out change of after hook result in migration guide (#1692)

* document change of after hook result

* better wording

* whoops

* Update docs/migration.md

Co-authored-by: Aurélien Reeves <6438e7d2d96993482d908470563ad13b303e38ab@smartbear.com>

Co-authored-by: Aurélien Reeves <6438e7d2d96993482d908470563ad13b303e38ab@smartbear.com>
cucumber/cucumber-js,cucumber/cucumber-js,cucumber/cucumber-js