corrected the message

Signed-off-by: kunal-511 <[email protected]>

Author: kunal-511

.github/workflows/model_registry_test.yaml

@@ -131,6 +131,6 @@ jobs:
             -H "Authorization: Bearer ${KF_TOKEN}")
 
         if test $STATUS_CODE -ne 403; then
-            echo "Error, this call should fail to list notebooks in namespace ${KF_PROFILE}."
+            echo "Error, this call should fail to list model registry resources in namespace ${KF_PROFILE}."
             exit 1
         fi