Documentation - editorial error - README.dissector bad reference

Summary

In 2.7.1 packet-dns is mentionned instead of packet-hartip

Affected website

https://gitlab.com/wireshark/wireshark/-/raw/master/doc/README.dissector

What is the exact issue

an obvious mistake, since the code is taken from packet-hartip.c, not packet-dns.c

Relevant logs and/or screenshots

Additional information

I will send the fix in some minutes

web sites