Unpin fsspec version constraint (close #508)

[tcompa]

Checklist before merging

• [x] I added an appropriate entry to CHANGELOG.md

[github-actions[bot]]

Coverage report

The coverage rate went from 89.89% to 90.13% :arrow_up: The branch rate is 83%.

98.09% of new lines are covered.

Diff Coverage details (click to unfold)

### fractal_tasks_core/lib_ngff.py `98%` of new lines are covered (`94.05%` of the complete file). Missing lines: `407`, `408`, `412` ### fractal_tasks_core/lib_zattrs_utils.py `100%` of new lines are covered (`96.15%` of the complete file). ### fractal_tasks_core/tasks/apply_registration_to_ROI_tables.py `100%` of new lines are covered (`90.17%` of the complete file). ### fractal_tasks_core/tasks/apply_registration_to_image.py `90.9%` of new lines are covered (`79.22%` of the complete file). Missing lines: `153` ### fractal_tasks_core/tasks/calculate_registration_image_based.py `100%` of new lines are covered (`91.22%` of the complete file). ### fractal_tasks_core/tasks/cellpose_segmentation.py `100%` of new lines are covered (`85.09%` of the complete file). ### fractal_tasks_core/tasks/copy_ome_zarr.py `100%` of new lines are covered (`89.42%` of the complete file). ### fractal_tasks_core/tasks/create_ome_zarr.py `100%` of new lines are covered (`82.9%` of the complete file). ### fractal_tasks_core/tasks/illumination_correction.py `100%` of new lines are covered (`81.61%` of the complete file). ### fractal_tasks_core/tasks/maximum_intensity_projection.py `100%` of new lines are covered (`87.01%` of the complete file). ### fractal_tasks_core/tasks/napari_workflows_wrapper.py `100%` of new lines are covered (`90.3%` of the complete file). ### fractal_tasks_core/tasks/yokogawa_to_ome_zarr.py `100%` of new lines are covered (`91.15%` of the complete file).