swh.lister.packagist

Implement a packagist lister to list the release and source code origin for all the packages

Close #1923 (closed)

---

Migrated from D1584 (view on Phabricator)

swh/lister/core/tests/conftest.py

@@ -13,6 +13,7 @@ def celery_includes():
         'swh.lister.gitlab.tasks',
         'swh.lister.gnu.tasks',
         'swh.lister.npm.tasks',
-        'swh.lister.pypi.tasks',
+        'swh.lister.packagist.tasks',
         'swh.lister.phabricator.tasks',
+        'swh.lister.pypi.tasks',
     ]