fix example

Signed-off-by: Gidi233 <qpbtyfh@gmail.com>

examples/rollout/canaryKuma.yaml

@@ -64,7 +64,7 @@ spec:
              webhooks:
                  timeoutSeconds: 60
                  command:
-                 - "hey -z 1m -q 10 -c 2 http://app.example.com/"
+                 - "hey -z 1m -q 10 -c 2 http://podinfo-canary.test:9898/"
           rolloutTimeoutSeconds: 600
     - destination:
         fleet: quickstart