onion-tunnel: Change DNS IPv6 to `fe80::53`
This commit changes the listening IPv6 address for DNS requests from
fe80::35
to fe80::53
which was intended to be the original value,
but was mistakenly written in decimal rather than hexadecimal.
This commit changes the listening IPv6 address for DNS requests from
fe80::35
to fe80::53
which was intended to be the original value,
but was mistakenly written in decimal rather than hexadecimal.