Mount NVIDIA libs to standard lib path for NVML discovery

go-nvml uses dl.Open which looks in standard library paths.
Mount to /usr/lib/x86_64-linux-gnu for reliable discovery.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

argocd/manifests/nvidia-device-plugin/daemonset.yaml

@@ -29,7 +29,7 @@ spec:
             - name: CDI_ROOT
               value: /var/run/cdi
             - name: LD_LIBRARY_PATH
-              value: /run/nvidia/lib
+              value: /usr/lib/x86_64-linux-gnu
           securityContext:
             allowPrivilegeEscalation: false
             capabilities:
@@ -41,7 +41,7 @@ spec:
               mountPath: /var/run/cdi
               readOnly: true
             - name: nvidia-libs
-              mountPath: /run/nvidia/lib
+              mountPath: /usr/lib/x86_64-linux-gnu
               readOnly: true
       volumes:
         - name: device-plugins