tools: update certdata.txt

This is the certdata.txt[0] from NSS 3.47, released on 2019-10-21.

This is the version of NSS that will ship in Firefox 71 on
2019-12-10.

[0] https://hg.mozilla.org/projects/nss/raw-file/NSS_3_47_RTM/lib/ckfw/builtins/certdata.txt

PR-URL: #30195
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Beth Griggs <Bethany.Griggs@uk.ibm.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>