deps: Update dask to >=2025.4.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
dask (source)	dependencies	minor	>=2025.3.0 -> >=2025.4.1
dask-core	dependencies	minor	>=2025.3.0 -> >=2025.4.1

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Release Notes

dask/dask (dask)

v2025.4.1

Compare Source

Changes

• Ensure only HLGs are probited reuse @​fjetter (#​11906)
• Ensure xarray objects can continue sharing dependencies @​fjetter (#​11904)
• Ensure culling changes layer names @​fjetter (#​11903)
• Ensure FusedIO does not break Blockwise alignment Assign @​fjetter (#​11898)
• Implement ufuncs and gufunc for array-expr @​phofl (#​11818)
• Implement map_overlap for array-expr @​phofl (#​11822)

See the Changelog for more information.

v2025.4.0

Compare Source

Changes

• Ensure Future value is in da.from_delayed task graph @​TomAugspurger (#​11896)
• Fix annotations passed to delayed @​fjetter (#​11893)
• migrate delayed unpack_collections @​fjetter (#​11881)
• Remove Pub/Sub references from docs @​jrbourbeau (#​11891)
• Ensure only classes without custom init are singletons @​fjetter (#​11886)
• Remove custom initializers for delayed expressions @​fjetter (#​11888)
• Fix persisting multiple DFs at the same time @​fjetter (#​11887)
• Avoid always parsing list inputs to DataFrame.isin as object type numpy arrays @​mroeschke (#​11869)
• Unskip pandas-dev cov/corr tests @​TomAugspurger (#​11873)
• Hlg blockwise fix @​fjetter (#​11871)
• Ensure annotations for HLG objects are properly generated @​fjetter (#​11866)
• Factor out singleton logic from base Expr class @​fjetter (#​11868)
• Ensure HLGs are using dependencies properly in optimization @​fjetter (#​11859)
• Ensure dictionaries tokenize deterministically @​fjetter (#​11867)
• Ensure default dask scheduler only compute what's needed @​fjetter (#​11861)
• Faster tokenization of pd.RangeIndex @​fjetter (#​11863)
• Update link to Quansight in community doc @​pavithraes (#​11860)
• Relax tolerance in autocorr test @​TomAugspurger (#​11857)
• Use map_blocks in array.store to avoid materialization and dropping of annotations @​fjetter (#​11844)
• Ensure repartition does not trigger memory size computation during lowering (i.e. on the scheduler) @​fjetter (#​11855)
• Support args and kwargs for rolling aggregations @​fjetter (#​11856)
• Remove nightly h5py from upstream CI job @​jrbourbeau (#​11847)
• Ensure HLGExpr tokenize uniquely @​fjetter (#​11849)
• Do not inject median in describe for pandas 3 @​fjetter (#​11846)
• Fixed Expr.__setattr__ for subclasses @​TomAugspurger (#​11845)
• Wrap HLGs in an Expr to avoid Client side materialization @​fjetter (#​11736)

See the Changelog for more information.

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