fix ci error

Signed-off-by: 400Ping <jiekaichang@apache.org>

Author: 400Ping

historyserver/config/rayservice_workaround.yaml

@@ -257,4 +257,4 @@ spec:
                 value: cpu
             volumes:
               - name: historyserver
-                emptyDir: {}
+                emptyDir: {}