deps: manually add 9.x support to npm

refs: https://github.com/npm/npm/pull/18964

PR-URL: https://github.com/nodejs/node/pull/16509


Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michaël Zasso <targos@protonmail.com>