I have recently done an EGL build of v5.13.1 for our GraceHopper cluster. This is my build command
spack env create paraview-gh-ospray2
spack env activate paraview-gh-ospray2
spack -e paraview-gh-ospray2 add paraview+python+mpi+hdf5+nvindex+tbb+adios2+raytracing+libcatalyst+opengl2+fortran+cdi~qt+shared build_system=cmake build_type=Release ^[v
irtuals=gl] egl
spack -e paraview-gh-ospray2 concretize -f
spack -e paraview-gh-ospray2 install