get_soil_texture is failing in get started vignette

This issue breaks R checks in all branches.

soil_texture <- get_soil_texture(study_area_sf, source = "HWSD", format = "aggregate")
Loading required namespace: ncdf4
Error in R_nc4_open: NetCDF: Unknown file format
Error in `ncdf4::nc_open()`:
! Error in nc_open trying to open file C:\Users\ddorchies\AppData\Local\Temp\RtmpaYDA0K\file24805a4c4771_T_CLAY.nc (return_on_error= FALSE )
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  1. └─RADIS::get_soil_texture(study_area_sf, source = "HWSD", format = "aggregate")
  2.   └─RADIS (local) FUN(sf = sf, ...)
  3.     ├─stats::setNames(lapply(vars, download_raster), vars)
  4.     └─base::lapply(vars, download_raster)
  5.       └─RADIS (local) FUN(X[[i]], ...)
  6.         ├─raster::raster(tmp)
  7.         └─raster::raster(tmp)
  8.           └─raster (local) .local(x, ...)
  9.             └─raster:::.rasterObjectFromFile(...)
 10.               └─raster:::.rasterObjectFromCDF(...)
 11.                 └─ncdf4::nc_open(filename, readunlim = FALSE, suppress_dimvals = TRUE)