chore(deps-dev): update huggingface-hub requirement from <0.21.0,>=0.19.0 to >=0.19.0,<1.16.0 in /backend

[dependabot]

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

Release notes

Sourced from huggingface-hub's releases.

[v1.15.0] Region-aware buckets & repos, hf skills list, polished CLI help and more

🌍 Pick a region when creating buckets and repos

create_bucket and create_repo now accept an optional region argument ("us" or "eu") so you can pin a new bucket or repo to a specific cloud region at creation time. The same option is exposed on the CLI via a --region flag on hf buckets create and hf repos create.

>>> from huggingface_hub import create_bucket, create_repo
>>> create_bucket("my-bucket", region="us")
>>> create_repo("my-model", region="eu")

$ hf buckets create my-bucket --region us
$ hf repos create username/my-model --region eu

• [Bucket/Repo] Support 'region' option in create_bucket and create_repo by @​Wauplin in #4194

🧩 Discover marketplace skills with hf skills list

A new hf skills list (alias ls) command lists every skill available in the Hugging Face marketplace and shows whether each one is already installed in the four supported locations (project, global, project Claude, global Claude). Handy when you want to check what's installable and what you've already got before running hf skills add.

$ hf skills ls
NAME                        DESCRIPTION                         PROJECT PROJECT (CLAUDE) GLOBAL GLOBAL (CLAUDE)
--------------------------- ----------------------------------- ------- ---------------- ------ ---------------
hf-cli                      Execute Hugging Face Hub operati...     yes              yes    yes             yes                                

• [CLI] Add hf skills list command by @​Wauplin in #4180

🎨 Polished --help output with ANSI styling

hf --help and every subcommand now render with underlined section headings and bold option/command names, making the help screens much easier to scan in a terminal. The new styling is automatically disabled when NO_COLOR is set or when the CLI detects it's running under an AI agent, so script and agent output stays clean.

• [CLI] Pretty-print --help with ANSI styling by @​Wauplin in #4192

🖥️ CLI

• [CLI] Check Homebrew registry for updates when installed via brew by @​Wauplin in #4204 — hf update no longer suggests a version that isn't on brew yet for Homebrew installs.
• [CLI] No traceback on LocalEntryNotFoundError by @​Wauplin in #4190 — offline/cache-miss errors now print a clean message instead of a Python traceback (set HF_DEBUG=1 for the full stack).

🐛 Bug and typo fixes

• Make HF_HUB_ENABLE_HF_TRANSFER deprecation warning visible to users by @​Adithya191101 in #4220
• Fix hint message to use 'hf skills update' by @​Pierrci in #4206

📖 Documentation

• [docs] Drop duplicated Key Features list from hf jobs CLI section by @​davanstrien in #4222

... (truncated)

Commits

• bb6d939 Release: v1.15.0
• 69413ea Release: v1.15.0.rc0
• dee4964 Make HF_HUB_ENABLE_HF_TRANSFER deprecation warning visible to users (#4220)
• 7023faf [docs] Drop duplicated Key Features list from hf jobs CLI section (#4222)
• 1f57da2 Only sync skill if SKILL.md has changed (#4210)
• 9c05199 Fix hint message to use 'hf skills update' (#4206)
• 230c624 [CLI] No traceback on LocalEntryNotFoundError (#4190)
• 3d85543 [CLI] Add hf skills list command (#4180)
• 04195e0 [CLI] Pretty-print --help with ANSI styling (#4192)
• 0c75ef9 [CLI] Check Homebrew registry for updates when installed via brew (#4204)
• Additional commits viewable in compare view

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