Reset yarn.lock to fix core dump related to gulp.
Reset yarn.lock to fix core dump related to gulp.

see nodejs/node#20281

openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server