fix: exclude alternative_names from filters

currently the JsonField used for the alternative_names
does not work with the auto generated filters.
This adds an empty FilterSet for VersionPerson
to add the exclude filters list to that endpoint.

apis_ontology/filtersets.py

@@ -101,6 +101,10 @@ def __init__(self, *args, **kwargs):
                 filter.label = filter.label.replace("unaccent ", "")
 
 
+class VersionPersonFilterSet(LegacyStuffMixinFilterSet):
+    pass
+
+
 class PersonFilterSet(LegacyStuffMixinFilterSet):
     collection = django_filters.ModelMultipleChoiceFilter(
         queryset=SkosCollection.objects.all().order_by("name"),