[I] [Improvement] add error messages when starting the hugegraph-server fails in the function wait_for_startup of util.sh [incubator-hugegraph]

[via GitHub]

aroundabout opened a new issue, #2400:
URL: https://github.com/apache/incubator-hugegraph/issues/2400

   ### Feature Description (功能描述)
   
   
![img_v3_026a_2464d106-082c-4ec3-bd62-bb132b5e1c0g](https://github.com/apache/incubator-hugegraph/assets/49650772/6b241f4e-ef71-4a80-ad58-4458be2c1f65)
   When we fail to curl in the function `wait_for_startup` in the following 
code (I guess),
   ```bash
   status=$(curl -I -s -k -w "%{http_code}" -o /dev/null "$server_url")
   ``` 
   there are no error messages of logs
   
![image](https://github.com/apache/incubator-hugegraph/assets/49650772/88f218e0-1e92-4478-b65b-2aa692d04906)
   
   So, we should ensure that we can get the error message instead of waiting 
for timeout
   


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