Migrate batch example to use the aws crt client

Author: jreijn

examples/powertools-examples-batch/src/main/java/org/demo/batch/dynamo/DynamoDBWriter.java

@@ -16,6 +16,7 @@
 import software.amazon.awssdk.enhanced.dynamodb.model.BatchWriteItemEnhancedRequest;
 import software.amazon.awssdk.enhanced.dynamodb.model.BatchWriteResult;
 import software.amazon.awssdk.enhanced.dynamodb.model.WriteBatch;
+import software.amazon.awssdk.http.crt.AwsCrtHttpClient;
 import software.amazon.awssdk.services.dynamodb.DynamoDbClient;
 
 public class DynamoDBWriter implements RequestHandler<ScheduledEvent, String> {