vault.config: Adapt scheduler configuration structure

requirements-swh.txt

 swh.core[db,http] >= 0.3
 swh.model >= 0.3
 swh.objstorage >= 0.0.17
-swh.scheduler >= 0.0.39
+swh.scheduler >= 0.7.0
 swh.storage >= 0.0.106

swh/vault/api/server.py

@@ -32,10 +32,7 @@ DEFAULT_CONFIG = {
         "dict",
         {"cls": "local", "args": {"db": "dbname=softwareheritage-vault-dev",},},
     ),
-    "scheduler": (
-        "dict",
-        {"cls": "remote", "args": {"url": "http://localhost:5008/",}},
-    ),
+    "scheduler": ("dict", {"cls": "remote", "url": "http://localhost:5008/",},),
 }
 
 

swh/vault/tests/conftest.py

@@ -77,7 +77,7 @@ def swh_vault(request, postgresql_proc, postgresql, postgresql2, tmp_path):
                 "allow_delete": True,
             },
         },
-        "scheduler": {"cls": "remote", "args": {"url": "http://swh-scheduler:5008",},},
+        "scheduler": {"cls": "remote", "url": "http://swh-scheduler:5008",},
     }
 
     return get_vault("local", vault_config)