tools: update certdata.txt

This is the certdata.txt[0] from NSS 3.45, released on 2019-07-05.

This is the version of NSS that will ship in Firefox 69 on
2019-09-03.

[0] https://hg.mozilla.org/projects/nss/raw-file/NSS_3_45_RTM/lib/ckfw/builtins/certdata.txt

PR-URL: https://github.com/nodejs/node/pull/28808
Backport-PR-URL: https://github.com/nodejs/node/pull/29137


Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>