deps: Update dependency dask-core to >=2026.3.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
dask-core	feature-nogil	minor	>=2026.1.2 → >=2026.3.0
dask-core	feature-backends	minor	>=2026.1.2 → >=2026.3.0
dask-core	feature-docs	minor	>=2026.1.2 → >=2026.3.0
dask-core	feature-lint	minor	>=2026.1.2 → >=2026.3.0

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Release Notes

dask/dask (dask-core)

v2026.3.0

Compare Source

Changes

• Silence deprecations in global config if local config overrides them @​crusaderky (#​12315)
• docs: document approximate algorithm and Dask-specific params in describe() @​cluster2600 (#​12300)
• docs: clarify coarsen reduction function contract @​monkeyjack123 (#​12314)
• Fix misleading TypeError for scalar overflow in dask.array elemwise @​cluster2600 (#​12301)
• Stricter warnings filter @​crusaderky (#​12274)
• Clean up obsolete PANDAS_GE markers @​crusaderky (#​12279)
• Bump actions/upload-artifact from 6 to 7 @​dependabot[bot] (#​12311)
• fix: Added full_matrices parameter to dask.array.linalg.svd @​ayanbag (#​12292)
• Remove mention of obsolete default value for 'boundary' parameter. @​mkcor (#​12304)
• Pandas in 3.14t CI @​crusaderky (#​12284)
• Quadratic definition time in xarray.DataArray.to_zarr(compute=False) @​crusaderky (#​12299)
• Bump scientific-python/issue-from-pytest-log-action from 1.4.0 to 1.5.0 @​dependabot[bot] (#​12294)
• fix: zarr.create_array for better backward compatibility @​melonora (#​12291)
• test_tokenize_range_index fails if cityhash is not installed @​crusaderky (#​12286)
• Bump minimum version of scipy @​crusaderky (#​12271)
• Fix flaky categorical concat test @​abslock128w (#​12276)
• Doc: document Zarr compression options for to_zarr @​abslock128w (#​12269)
• Disable the GIL on 3.14t Windows CI @​crusaderky (#​12280)
• Update obsolete pandas URLs @​crusaderky (#​12278)
• Suppress warning: Consolidated metadata is not part of Zarr 3 @​crusaderky (#​12273)
• Pandas4Warning: Copy-on-Write is always enabled with pandas >= 3.0 @​crusaderky (#​12272)
• Disable the GIL in 3.14t CI @​crusaderky (#​12270)
• Preliminary Python 3.14t support @​crusaderky (#​12223)
• Propagate contextvars to worker threads; catch warnings in 3.14t @​crusaderky (#​12224)
• Fix bugs in env.yaml / pytest.xml upload @​crusaderky (#​12266)

See the Changelog for more information.

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