gemini3d.run: also work with WSL

meta

stdlib: use cmake to extract zstd

since stdlib extracts zstd with cmake, no need to build zstd

ref_data november 2021

ci: add timeout

setup.m: more robust gemini3d detection

default gemini3d.run name given

submodule update v4.1.0 matlab-stdlib

writes HDF5 scalars properly
increase argument checks

write.grid.nc4: also write glonctr,glatctr to nc4