File _multibuild of Package netcdf-fortran

<multibuild>
  <package>gnu-hpc</package>
  <package>gnu-openmpi4-hpc</package>
  <package>gnu-openmpi5-hpc</package>
  <package>gnu-mpich-hpc</package>
  <package>gnu-mvapich2-hpc</package>
  <package>openmpi5</package>
</multibuild>