[Release-1.31] - Custom path for runtimes autodetect

[vitorsavian]

Backport fix for Custom path for runtimes autodetect

• Custom path for runtimes autodetect #10761

[mdrahman-suse]

Validated on release-1.31 branch with commit

Steps: #10761 (comment)

Validation

$ k3s -v
k3s version v1.31.1+k3s-51591315 (51591315)
go version go1.22.6

$ sudo cat /var/lib/rancher/k3s/agent/etc/containerd/config.toml | grep nvidia
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes."nvidia"]
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes."nvidia".options]
  BinaryName = "/home/ubuntu/nvidia-container-runtime"