Clean HF datasets cache
Every 3h for files older than 3h

Also contrary to the delete-duckdb-index job I simply scan the mtime of the directories instead of the mtime of every single file

to be merged after I'm done removing the current 60TB of cache (done !)
Clean HF datasets cache: Every 3h for files older than 3h

Also contrary to the delete-duckdb-index job I simply scan the mtime of the directories instead of the mtime of every single file

to be merged after I'm done removing the current 60TB of cache (done !)