Met.no LocationforecastLTS API deprecation warning

As of today (2020-06-23) the plugin says:

Met.no LocationforecastLTS API states that this version
of the webservice is deprecated, and the plugin needs to be
adapted to use a newer version, or it will stop working within
a few months.
Please file a bug on https://bugzilla.xfce.org if no one
else has done so yet.