fix: add region parameter to secretsmanager command in deploy script

- Add --region flag to aws secretsmanager get-secret-value command
- Ensures the command works correctly when deploying to non-default regions

Author: naxxster

opensearch/opensearch_ubi/deploy.sh

@@ -355,7 +355,7 @@ display_outputs() {
 
     if [ -n "$SECRET_ARN" ] && [ "$SECRET_ARN" != "N/A" ]; then
         echo -e "${YELLOW}To get OpenSearch credentials:${NC}"
-        echo "aws secretsmanager get-secret-value --secret-id $SECRET_ARN --query SecretString --output text | jq ."
+        echo "aws secretsmanager get-secret-value --secret-id $SECRET_ARN --query SecretString --output text --region "$REGION" | jq ."
         echo ""
     fi