You have secure boot enabled so the driver can’t load. Please disable it in bios.
Furthermore, you should rather use a repo driver like rpmfusion so you don’t need to reinstall the driver on kernel updates.
NB: centos has pushed out a broken Xserver update: https://forums.developer.nvidia.com/t/nvidia-linux-x86-64-418-113-wouldnt-build/174775/26?u=generix