debian/lister: Use url parameter name instead of origin

within the scheduled task.

Related D2135

swh/lister/debian/models.py

@@ -196,7 +196,7 @@ class DistributionSnapshot(SQLBase):
             'arguments': {
                 'args': [],
                 'kwargs': {
-                    'origin': origin,
+                    'url': origin,
                     'date': self.date.isoformat(),
                     'packages': package_versions,
                 },

swh/lister/debian/tests/test_lister.py

@@ -27,7 +27,7 @@ def test_lister_debian(lister_debian, datadir, requests_mock_datadir):
 
         # kwargs
         kwargs = row['arguments']['kwargs']
-        assert set(kwargs.keys()) == {'origin', 'date', 'packages'}
+        assert set(kwargs.keys()) == {'url', 'date', 'packages'}
 
         logger.debug('kwargs: %s', kwargs)