package/tor: security bump version to 0.4.4.8
Updated license hash due to upstream commit:
https://gitweb.torproject.org/tor.git/commit/LICENSE?h=tor-0.4.4.8&id=02230575c4da6cd6342516e6682f95dad3e3e29e
Fixes CVE-2021-28089 & CVE-2021-28090.
Release notes: https://blog.torproject.org/node/2009
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>