Fix cronjob resources
Certain jobs were not working because of

```
WARNING: 2023-10-09 12:00:35,208 - root - The connection to the cache database could not be established. The action is skipped.
```

even though they don't require a connection to the cache or queue databases.

Affected jobs:
- clean-hf-datasets-cache
- delete-indexes
Fix cronjob resources: Certain jobs were not working because of

```
WARNING: 2023-10-09 12:00:35,208 - root - The connection to the cache database could not be established. The action is skipped.
```

even though they don't require a connection to the cache or queue databases.

Affected jobs:
- clean-hf-datasets-cache
- delete-indexes