build(deps-dev): update huggingface-hub requirement from >=1.29.0 to >=1.31.0 in the python-dependencies group

[dependabot]

Updates the requirements on huggingface-hub to permit the latest version.
Updates huggingface-hub to 1.31.0

Release notes

Sourced from huggingface-hub's releases.

[v1.31.0] Custom labels for Sandboxes, More resilient downloads and more

🏷️ Custom labels for Sandboxes

Dedicated sandboxes now accept custom labels, attached to the underlying Job. This is useful for cost attribution, bookkeeping, or finding and reconnecting to the sandboxes created by a given controller run. Labels use the same -l / --label KEY=VALUE syntax as hf jobs run. They are merged with the labels the SDK uses internally, and invalid or reserved labels are rejected before a billable Job is started. Pool-based sandboxes are unchanged: custom labels are only accepted for dedicated sandboxes.

>>> from huggingface_hub import Sandbox
>>> sandbox = Sandbox.create(image="python:3.12", labels={"controller-run": "run-42"})

hf sandbox create --label controller-run=run-42 --label team=data-infra

• [Sandbox] Support custom Job labels by @​Wauplin in #4824

📥 More resilient downloads

A batch of fixes makes downloads more robust to unusual server responses, network hiccups and concurrent usage:

• A timeout while waiting for the response headers of a streamed download is now retried and resumed like a body read failure, instead of escaping http_get() while retries remain.

• Regular HTTP downloads no longer fail when the HEAD response has no Content-Length. The file size is validated against the GET response when available.

• snapshot_download now writes the refs/ cache file atomically, reusing the logic already used by hf_hub_download. This fixes a long-standing race when many concurrent snapshot_download calls target the same repo (seen in vLLM / llm-compressor).

• hf download --dry-run --local-dir ... no longer copies files from the Hub cache into the destination. On large files and slow disks this looked like a hang and could leave an incomplete file behind.

• [Download] Share retry handling for stream entry and body failures by @​Wauplin in #4826

• [Download] Tolerate missing HEAD Content-Length by @​Wauplin in #4805

• [Download] Write cache ref file atomically in snapshot_download by @​Wauplin in #4829

• [Download] Prevent cached file copies during local-dir dry runs by @​wakamex in #4817

🔌 httpx re-exported for library integrators

huggingface_hub now re-exports the HTTP library it uses as huggingface_hub.utils.httpx. Libraries built on top of huggingface_hub that need httpx types or exceptions (typically to catch errors) should import it from there rather than importing httpx directly. v1.x is built on httpx, and v2.x will move to its successor httpx2, so importing through huggingface_hub.utils keeps your code compatible with both. This is only for types and exceptions: to make requests to the Hub, keep using get_session().

from huggingface_hub.utils import httpx
try:
...
except httpx.HTTPError:
...

📚 Documentation: Utilities — The httpx module

• [httpx migration] Expose httpx as a huggingface_hub submodule by @​Wauplin in #4803

🔒 Security

HfFileSystem.get() now validates remote filenames before writing anything locally. A server-side filename such as folder/..\..\outside.txt could previously escape the destination directory on Windows during a recursive download. The same check already protected hf_hub_download, snapshot_download and bucket sync. Unsafe filenames now raise ValueError on all platforms, including when downloading to an explicitly named file or a file object.

... (truncated)

Commits

• 495b17c Release: v1.31.0
• 0f50db0 Release: v1.31.0.rc1
• d592df8 Revert "[Jobs] Add network groups to hf jobs run (#4833)"
• 3c08b69 Release: v1.31.0.rc0
• f148666 [CLI] Fix truncated command descriptions in the CLI reference (#4849)
• c4f076c (LFS)Fix SliceFileObj.iter yielding only the first 4MB chunk (#4844)
• 22fe960 Fix dotenv parser truncating unquoted values containing '#' (#4842)
• 6cae778 [Jobs] Add network groups to hf jobs run (#4833)
• 063b37b [CLI] Raise explicit error for shell-script extensions on Windows (#4846)
• b9c14d9 [Download] Write cache ref file atomically in snapshot_download (#4829)
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