hotfix multiscale spatial image

[melonora]

Due to new release of multiscale-spatial-image it can lead to problems as it uses the version of xarray that already directly imports datatree.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.89%. Comparing base (e5b8de9) to head (dd92dea).
Report is 71 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #760   +/-   ##
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  Coverage   91.89%   91.89%           
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  Files          45       45           
  Lines        6919     6919           
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  Hits         6358     6358           
  Misses        561      561