Improved large data support

[m-albert]

This PR improves support for large data by

• setting the output chunksizes equal to the input chunksizes
• depending on a multiview-stitcher branch that simplifies the dask graphs produced during fusion. Currently this branch is not ready yet for a new multiview-stitcher release, that's why I'm pinning a specific commit

[github-actions[bot]]

Coverage report

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File	Statements	Missing	Coverage	Coverage (new stmts)	Lines missing
src/fractal_ome_zarr_hcs_stitching
stitching_task.py
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