Update GPU node packages

manifests/packages.pp

@@ -71,12 +71,14 @@ class analysator::packages::build_node
 # installed via
 #     http://us.download.nvidia.com/tesla/410.79/nvidia-diag-driver-local-repo-rhel7-410.79-1.0-1.x86_64.rpm
 # No attempt has been made to perfectly clean them up
+# Some packages are potentially missing from this list
+# (we can't install just cuda, because that pulls in nvidia-driver-latest, which no longer supports our cards)
 class analysator::packages::gpu_node
 {
   require analysator::repos::cuda
   package {
     [
-      'cuda',
+      'nvidia-driver-branch-470',
     ]:
       ensure => installed,
   }