Blog: release post for v6.9.4 (#1096)
Blog: release post for v6.9.4 (#1096)

PR-URL: https://github.com/nodejs/node/pull/10640
phillipj/new.nodejs.org,nodejs/new.nodejs.org,nodejs/new.nodejs.org,yous/new.nodejs.org,phillipj/new.nodejs.org,yous/new.nodejs.org