js-yaml v4 is blocked by gray-matter See https://github.com/jonschlinkert/gray-matter/pull/137 since gray-matter aims to use yaml instead, we should also prepare by rolling back to using yaml instead of js-yaml
js-yaml v4 is blocked by gray-matter See jonschlinkert/gray-matter#137
since gray-matter aims to use yaml instead, we should also prepare by rolling back to using yaml instead of js-yaml