GNNGraph CI is failing on julia 1.10

[CarloLucibello]

See https://github.com/JuliaGraphs/GraphNeuralNetworks.jl/actions/runs/23784610555/job/69304759367#step:6:594
This is due to a missing scipy dependence in PyCall. Likely an issue to be fixed in MLDatasets.jl

[CarloLucibello]

seems to be working now, I don't know why