security/tor: update 0.4.8.7 → 0.4.8.8

This update contains a fix to a remote crash bug (TROVE 2023 004).
It is highly recommended that all relay operators
upgrade to the new versions as soon as possible to maintain the
network stability and security.

(cherry picked from commit 155a3b26cdc5526873e4f98500cb50840a5e019d)