Add soft,timeo=30 mount options to all nfs-subdir-external-provisioner
Helm values files so that newly created PVs use non-blocking NFS mounts.
StorageClasses have been patched directly in the cluster.
Motivation: a USB drive disconnect on kube-node-1 caused the NFS server
to go down for ~2.5 days. The HP Proxmox host had hard NFS mounts to
the Dell which blocked df -h indefinitely until the NFS server recovered.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>