tools: update certdata.txt

This is the certdata.txt[0] from NSS 3.36, released on 2018-03-05.

This is the version of NSS that will ship in Firefox 60 on 2018-05-01.

[0] https://hg.mozilla.org/projects/nss/raw-file/NSS_3_36_RTM/lib/ckfw/builtins/certdata.txt

Backport-PR-URL: https://github.com/nodejs/node/pull/19631
PR-URL: https://github.com/nodejs/node/pull/19322


Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>