Fix NexradWorker UUID type: use generate() not bingenerate() for insert_all

lib/microwaveprop/workers/nexrad_worker.ex

@@ -73,7 +73,7 @@ defmodule Microwaveprop.Workers.NexradWorker do
         rows =
           Enum.map(observations, fn obs ->
             obs
-            |> Map.put(:id, Ecto.UUID.bingenerate())
+            |> Map.put(:id, Ecto.UUID.generate())
             |> Map.put(:inserted_at, now)
             |> Map.put(:updated_at, now)
           end)