feat: add nvidia MIG Settings

[piyush-jena]

Issue #, if available:

Description of changes:

• Settings sdk changes for supporting settings.kubelet-device-plugins.nvidia.device-partitioning-strategy and settings.kubelet-device-plugins.nvidia.mig.profile-a100, settings.kubelet-device-plugins.nvidia.mig.profile-h100, settings.kubelet-device-plugins.nvidia.mig.profile-h200 in bottlerocket.

Testing:

1. Model Default:

bash-5.1# apiclient get settings.kubelet-device-plugin
{
  "settings": {
    "kubelet-device-plugins": {
      "nvidia": {
        "device-id-strategy": "index",
        "device-list-strategy": "volume-mounts",
        "device-partitioning-strategy": "none",
        "device-sharing-strategy": "none",
        "pass-device-specs": true,
      }
    }
  }
}

3. Model Updates:

bash-5.1# apiclient set settings.kubelet-device-plugins.nvidia.device-partitioning-strategy="mig"
bash-5.1# settings.kubelet-device-plugins.nvidia.mig.profile-a100="1g.5gb"
bash-5.1# apiclient get settings.kubelet-device-plugin
{
  "settings": {
    "kubelet-device-plugins": {
      "nvidia": {
        "device-id-strategy": "index",
        "device-list-strategy": "volume-mounts",
        "device-partitioning-strategy": "mig",
        "device-sharing-strategy": "none",
        "mig": {
          "profile-a100": "1g.5gb"
        },
        "pass-device-specs": true
      }
    }
  }
}

4. Check:

bash-5.1# apiclient set settings.kubelet-device-plugins.nvidia.mig.profile-a100="1g.7gb"
Failed to change settings: Failed PATCH request to '/settings/keypair?tx=apiclient-set-IOIe8VsE9pO9Jmkl': Status 400 when PATCHing /settings/keypair?tx=apiclient-set-IOIe8VsE9pO9Jmkl: Unable to match your input to the data model.  We may not have enough type information.  Please try the --json input form.  Cause: Error during deserialization: Unable to deserialize into MIGA100Profile: Invalid MIG Profile value '1g.7gb' at line 1 column 68

5. Files generated:

bash-5.1# cat /etc/nvidia-migmanager/nvidia-migmanager.toml
device-partitioning-strategy = "mig"
profile-a100 = "1g.5gb"

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