Adjust Prometheus hist buckets for `split-descriptive-statistics` job runner
to be more aligned with the default ones.

See https://github.com/huggingface/datasets-server/pull/2469/files#r1507469902
Adjust Prometheus hist buckets for `split-descriptive-statistics` job runner: to be more aligned with the default ones.

See https://github.com/huggingface/datasets-server/pull/2469/files#r1507469902