* Copy `migration_compile_timeout_60s_to_20s.js` script
* Update `featuresUpdatedAt`
* Add a comment about `featuresUpdatedAt` in migration_compile_timeout_60s_to_20s.js
* Fix test on migration_compile_timeout_60s_to_20s.js
* Fix: Include users having `featuresUpdatedAt` undefined in the update
* Add test on `migration_compile_timeout_60s_to_20s_fixup_features_updated_at`
GitOrigin-RevId: 4b2baf955a6a9f39bf9ce00b7839af551064c6cb