tests: Fix execution after upgrade to pytest-postgresql 5.x

swh/vault/tests/conftest.py

@@ -67,7 +67,7 @@ def pytest_collection_modifyitems(items):
 def swh_vault_config(postgres_vault, tmp_path) -> Dict[str, Any]:
     tmp_path = str(tmp_path)
     return {
-        "db": postgres_vault.dsn,
+        "db": postgres_vault.info.dsn,
         "storage": {
             "cls": "memory",
         },

swh/vault/tests/test_git_bare_cooker.py

@@ -57,7 +57,7 @@ storage_postgresql = factories.postgresql("storage_postgresql_proc")
 @pytest.fixture
 def swh_storage(storage_postgresql):
     return get_storage(
-        "postgresql", db=storage_postgresql.dsn, objstorage={"cls": "memory"}
+        "postgresql", db=storage_postgresql.info.dsn, objstorage={"cls": "memory"}
     )