network driver: collect CiliumNetworkDriverConfigs in sysdump

[bersoare]

collect the CRD for the network driver configuration with the sysdump command

» cat cilium-sysdump-20251218-152137/cilium-network-driver-configs-20251218-152137.yaml
apiVersion: cilium.io/v2alpha1
items:
- apiVersion: cilium.io/v2alpha1
  kind: CiliumNetworkDriverConfig
  metadata:
    annotations:
      kubectl.kubernetes.io/last-applied-configuration: |
        {"apiVersion":"cilium.io/v2alpha1","kind":"CiliumNetworkDriverConfig","metadata":{"annotations":{},"name":"cilium-network-driver-config"},"spec":{"driverName":"sriov.cilium.k8s.io"}}
    creationTimestamp: "2025-12-18T15:21:33Z"
    generation: 1
    managedFields:
    - apiVersion: cilium.io/v2alpha1
      fieldsType: FieldsV1
      fieldsV1:
        f:metadata:
          f:annotations:
            .: {}
            f:kubectl.kubernetes.io/last-applied-configuration: {}
        f:spec:
          .: {}
          f:driverName: {}
      manager: kubectl-client-side-apply
      operation: Update
      time: "2025-12-18T15:21:33Z"
    name: cilium-network-driver-config
    resourceVersion: "1723"
    uid: ba412313-2aac-49ed-b69e-477b3d7f33a7
  spec:
    driverName: sriov.cilium.k8s.io
kind: CiliumNetworkDriverConfigList
metadata:
  resourceVersion: "1738"

Collect CiliumNetworkDriverConfig on sysdump

[bersoare]

@asauber , feel free to ignore this one - but in any case there is context here: cilium/design-cfps#85
cc @pippolo84

[pippolo84]

LGTM ✅