fix: DeprecationWarning of SQLAlchemy

* Query.get() is deprecated in favor of Session.get()

invenio_rdm_records/records/systemfields/access/owners.py

@@ -2,13 +2,15 @@
 #
 # This file is part of Invenio.
 # Copyright (C) 2021 TU Wien.
+# Copyright (C) 2024 Graz University of Technology.
 #
 # Invenio is free software; you can redistribute it and/or modify it
 # under the terms of the MIT License; see LICENSE file for more details.
 
 """Owners classes for the access system field."""
 
 from invenio_accounts.models import User
+from invenio_db import db
 
 
 class Owner:
@@ -50,7 +52,7 @@ def resolve(self, raise_exc=False):
                 return None
 
             elif self.owner_type == "user":
-                self._entity = User.query.get(self.owner_id)
+                self._entity = db.session.get(User, self.owner_id)
 
             else:
                 raise ValueError("unknown owner type: {}".format(self.owner_type))