package/tor: security bump to 0.3.4.11
Release notes:
https://blog.torproject.org/new-releases-tor-0402-alpha-0358-03411-and-03312
Fixes CVE-2019-8955:
KIST can write above outbuf highwater mark
https://trac.torproject.org/projects/tor/ticket/29168
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>