### What changes were proposed in this pull request?
Fix flaky test caused by invalid port.
```
[info] ApiMasterResourceSuite:
[info] org.apache.celeborn.service.deploy.master.http.api.ApiMasterResourceSuite *** ABORTED ***
[info] java.lang.IllegalArgumentException: '65535' in celeborn.master.http.port is invalid. Invalid port
```
### Why are the changes needed?
The ports range in CelebornConf is [1024, 65535), 65535 is excluded.
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