fix ruff rule C408

tests/test_templatetags.py

@@ -16,7 +16,7 @@ def test_current_site_name(self):
             current_site_name,
         )
 
-        site_name = current_site_name(dict())
+        site_name = current_site_name({})
         self.assertEqual(site_name, "example.com")  # Default name
 
         with self.modify_settings(
@@ -26,22 +26,20 @@ def test_current_site_name(self):
                 ],
             }
         ):
-            site_name = current_site_name(dict())
+            site_name = current_site_name({})
             self.assertEqual(site_name, "my site")  # Generic name
 
     def test_render_update_notification(self):
         from djangocms_admin_style.templatetags.admin_style_tags import (
             render_update_notification,
         )
 
-        self.assertEqual(
-            render_update_notification(dict()), ""
-        )  # No update notification
+        self.assertEqual(render_update_notification({}), "")  # No update notification
 
         request = self.request_factory.get("/")
         request.resolver_match = Object()
         request.resolver_match.url_name = "index"
         self.assertIn(
             f'<meta name="djangocms_version" content="{cms.__version__}">',
-            render_update_notification(dict(request=request)),
+            render_update_notification({"request": request}),
         )