deps: Update dependency dask-core to >=2025.12.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
dask-core	feature-nogil	minor	>=2025.11.0 -> >=2025.12.0
dask-core	feature-backends	minor	>=2025.11.0 -> >=2025.12.0
dask-core	feature-docs	minor	>=2025.11.0 -> >=2025.12.0
dask-core	feature-lint	minor	>=2025.11.0 -> >=2025.12.0

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Release Notes

dask/dask (dask-core)

v2025.12.0

Compare Source

Changes

• Stable sort in Series.value_counts for pandas 3.x @​TomAugspurger (#​12191)
• Add new "optimization.tune.active" configuration option to disable partition fusion @​rjzamora (#​12194)
• Build llms.txt files in Sphinx documentation @​jacobtomlinson (#​12192)
• Support zarr sharding through create_array @​melonora (#​12153)
• Support min/max of datetime @​jsignell (#​12183)
• pandas 3.x compatibility @​TomAugspurger (#​12180)
• Minimal version of setuptools-scm @​DimitriPapadopoulos (#​12184)
• Bump actions/checkout from 5 to 6 @​dependabot[bot] (#​12171)
• Update test_ufunc_meta for upstream-dev failure @​TomAugspurger (#​12170)
• Upstream compat @​TomAugspurger (#​12165)
• Enforce a few more ruff rules @​DimitriPapadopoulos (#​12157)
• Enforce ruff/refurb rules (FURB) @​DimitriPapadopoulos (#​12144)
• DEP: bump minimal requirement on toolz (0.10.0 -> 0.12.0) @​neutrinoceros (#​12163)
• Fix execution stop in da.to_zarr due to (misleading) PerformanceWarning raised as exception @​m-albert (#​12161)
• Use f-string interpolation where possible @​DimitriPapadopoulos (#​12140)
• pre-commit black hook: use implicit defaults @​DimitriPapadopoulos (#​12156)
• Enforce ruff/pygrep-hooks rules (PGH) @​DimitriPapadopoulos (#​12143)
• Apply Repo-Review rules @​DimitriPapadopoulos (#​12148)
• Document groupby: split_every, split_out @​jayeshmanani (#​12135)
• isort → ruff @​DimitriPapadopoulos (#​12149)
• Enforce ruff/pyupgrade rule UP031 @​DimitriPapadopoulos (#​12137)
• Bump JamesIves/github-pages-deploy-action from 4.7.3 to 4.7.4 @​dependabot[bot] (#​12150)
• Replace pre-commit hook with ruff rule @​DimitriPapadopoulos (#​12142)
• Fix reify to handle sparse arrays and other objects without __len__ @​batcity (#​12103)
• Ruff supersedes absolufy-imports @​DimitriPapadopoulos (#​12141)
• Enforce ruff/pyupgrade rule UP032 @​DimitriPapadopoulos (#​12136)

See the Changelog for more information.

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