misc/wmweather+: update to 2.17

Changelog:

• Add User-Agent when downloading files.
• Hook SIGABRT to better delete temp files on exit.
• Fix warning right-click handling.
• Add "tsunami" and "tsunami_seismic_msg", although they seem to need their own warning zones.

PR: 225393
Submitted by: Rainer Hurling <rhurlin@gwdg.de> (maintainer)