Bug#1094985: python-meshio: FTBFS with numpy 2.x

[Francesco Ballarin]

Source: python-meshio
Followup-For: Bug #1094985
Control: severity -1 normal

Decreasing severity to normal since 7.0.0-really-5.3.5-4 took the following actions/workarounds:
- fix the dolfin test, as in the upstream PR
- temporarily skip test_gmsh and test_ugrid until upstream comes up with a propoer fix