Fix submit / status typo

Co-authored-by: Pawel Paszki <ppaszki@redhat.com>

Author: kryanbeane

demo-notebooks/guided-demos/5_rayjob_lifecycled_cluster.ipynb

@@ -188,7 +188,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "rayjob.submit()"
+    "rayjob.status()"
    ]
   },
   {