net/py-wsdd: Update to 0.6.2

Changelog[1]:

• Lowered priority of non-essential, protocol-related and internal log messages
• Do not use PID in Netlink sockets in order to avoid issues with duplicated PIDs, e.g., when Docker is used
• Prevent exceptions due to invalid incoming messages
• HTTP server address family wrong when interface address is added
• Error when interface address is removed

[1] https://github.com/christgau/wsdd/blob/v0.6.2/CHANGELOG.md

PR: 250585
Submitted by: Yasuhiro KIMURA <yasu@utahime.org>
Approved by: tcberner (mentor)
Differential Revision: https://reviews.freebsd.org/D27030