First attempt at converting "sig" to "activity" for v3

providers/spot/wwbota.py

@@ -23,7 +23,7 @@ class WWBOTA(SSESpotProvider):
         for ref in source_spot["references"]:
             activity_ref = ActivityRef(
                 id=ref["reference"],
-                sig=ActivityName.WWBOTA,
+                activity=ActivityName.WWBOTA,
                 name=ref["name"],
                 latitude=ref["lat"],
                 longitude=ref["long"],
@@ -38,8 +38,8 @@ class WWBOTA(SSESpotProvider):
             freq=float(source_spot["freq"]) * 1000000,
             mode=Mode.from_name(source_spot["mode"].upper()) if source_spot.get("mode") else None,
             comment=source_spot["comment"],
-            sig=ActivityName.WWBOTA,
-            sig_refs=refs,
+            activity=ActivityName.WWBOTA,
+            activity_refs=refs,
             time=datetime.fromisoformat(source_spot["time"].replace("Z", "+00:00")).timestamp(),
             # WWBOTA spots can contain multiple references for bunkers being activated simultaneously. For
             # now, we will just pick the first one to use as our grid, latitude and longitude.