fix: switch gpu-workload to debug initdata for attestation debugging

GPU attestation fails at trustee ("contraindicated") while TDX CPU
attestation passes. Switch to permissive agent policy to allow exec
into the kata VM for further investigation.

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

Author: butler54

charts/coco-supported/gpu-workload/templates/gpu-vectoradd-deployment.yaml

@@ -14,7 +14,7 @@ spec:
       labels:
         app: gpu-vectoradd
       annotations:
-        coco.io/initdata-configmap: initdata
+        coco.io/initdata-configmap: debug-initdata
         {{- if .Values.defaultMemory }}
         io.katacontainers.config.hypervisor.default_memory: {{ .Values.defaultMemory | quote }}
         {{- end }}