Uncaught error on config-parquet-and-info on big datasets
For some datasets that require copying original parquet files to `refs/convert/parquet` in multiple commits under a lock (see https://github.com/huggingface/datasets-server/issues/1349), we get:

https://datasets-server.huggingface.co/parquet?dataset=bigcode/the-stack&config=bigcode--the-stack
https://datasets-server.huggingface.co/parquet?dataset=lhoestq/tmp-lots-of-lfs-files&config=lhoestq--tmp-lots-of-lfs-files

```
{"error":"Give up after 6 attempts with <class 'huggingface_hub.utils._errors.EntryNotFoundError'>"}
```

with error_code: `UnexpectedError`



Uncaught error on config-parquet-and-info on big datasets: For some datasets that require copying original parquet files to `refs/convert/parquet` in multiple commits under a lock (see https://github.com/huggingface/datasets-server/issues/1349), we get:

https://datasets-server.huggingface.co/parquet?dataset=bigcode/the-stack&config=bigcode--the-stack
https://datasets-server.huggingface.co/parquet?dataset=lhoestq/tmp-lots-of-lfs-files&config=lhoestq--tmp-lots-of-lfs-files

```
{"error":"Give up after 6 attempts with <class 'huggingface_hub.utils._errors.EntryNotFoundError'>"}
```

with error_code: `UnexpectedError`


