fix: correct AuthPolicy name in validation script (#658)

The validation script was checking for 'gateway-auth-policy' but the
actual deployed AuthPolicy is named 'gateway-default-auth'. This caused
false 'NotFound' warnings despite the AuthPolicy being correctly
deployed and functional.

Changes:
- Update scripts/validate-deployment.sh line 383 to check for
  gateway-default-auth instead of gateway-auth-policy

Fixes #658

Author: bryonbaker

scripts/validate-deployment.sh

@@ -380,7 +380,7 @@ print_header "3️⃣ Policy Status"
 print_check "AuthPolicy"
 AUTHPOLICY_COUNT=$(kubectl get authpolicy -A --no-headers 2>/dev/null | wc -l || echo "0")
 if [ "$AUTHPOLICY_COUNT" -gt 0 ]; then
-    AUTHPOLICY_STATUS=$(kubectl get authpolicy -n openshift-ingress gateway-auth-policy -o jsonpath='{.status.conditions[?(@.type=="Accepted")].status}' 2>/dev/null || echo "NotFound")
+    AUTHPOLICY_STATUS=$(kubectl get authpolicy -n openshift-ingress gateway-default-auth -o jsonpath='{.status.conditions[?(@.type=="Accepted")].status}' 2>/dev/null || echo "NotFound")
     if [ "$AUTHPOLICY_STATUS" = "True" ]; then
         print_success "AuthPolicy is configured and accepted"
     else