security/tor: Update 0.4.5.8 -> 0.4.6.5

Release contains major bugfixes and minor features.

Changelog: https://gitweb.torproject.org/tor.git/tree/ChangeLog?h=tor-0.4.6.5

Reported by: upstream notification

(cherry picked from commit 1d097dd99b1d5066f15c6cc5cdbe0817c067b170)