package/tor: security bump version to 0.4.6.7

Fixes CVE-2021-38385: https://blog.torproject.org/node/2062



Rebased patch 0001.

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>