python312Packages.authcaptureproxy: disable failing test

pkgs/development/python-modules/authcaptureproxy/default.nix

···
     # test fails with frequency 1/200
     # https://github.com/alandtse/auth_capture_proxy/issues/25
     "test_return_timer_countdown_refresh_html"
+    # AttributeError: 'NoneType' object has no attribute 'get'
+    "test_replace_empty_action_urls"
   ];
 
   pythonImportsCheck = [ "authcaptureproxy" ];