fix: update example yaml to use ray 2.52.0 image

Signed-off-by: machichima <nary12321@gmail.com>

Author: machichima

ray-operator/config/samples/ray-cronjob.sample.yaml

@@ -41,7 +41,7 @@ spec:
 
     # rayClusterSpec specifies the RayCluster instance to be created by the RayJob controller.
     rayClusterSpec:
-      rayVersion: '2.46.0' # should match the Ray version in the image of the containers
+      rayVersion: '2.52.0' # should match the Ray version in the image of the containers
       # Ray head pod template
       headGroupSpec:
         # The `rayStartParams` are used to configure the `ray start` command.
@@ -53,7 +53,7 @@ spec:
           spec:
             containers:
             - name: ray-head
-              image: rayproject/ray:2.46.0
+              image: rayproject/ray:2.52.0
               ports:
               - containerPort: 6379
                 name: gcs-server
@@ -95,7 +95,7 @@ spec:
           spec:
             containers:
             - name: ray-worker # must consist of lower case alphanumeric characters or '-', and must start and end with an alphanumeric character (e.g. 'my-name',  or '123-abc'
-              image: rayproject/ray:2.46.0
+              image: rayproject/ray:2.52.0
               resources:
                 limits:
                   cpu: "1"
@@ -109,7 +109,7 @@ spec:
     #     restartPolicy: Never
     #     containers:
     #     - name: my-custom-rayjob-submitter-pod
-    #       image: rayproject/ray:2.46.0
+    #       image: rayproject/ray:2.52.0
     #       # If Command is not specified, the correct command will be supplied at runtime using the RayJob spec `entrypoint` field.
     #       # Specifying Command is not recommended.
     #       # command: ["sh", "-c", "ray job submit --address=http://$RAY_DASHBOARD_ADDRESS --submission-id=$RAY_JOB_SUBMISSION_ID -- echo hello world"]