fix: bug in DynamoDB marker

Author: dieppa

core/target-systems/flamingock-dynamodb-targetsystem/src/main/java/io/flamingock/targetsystem/dynamodb/DynamoDBTargetSystemAuditMarker.java

@@ -94,7 +94,7 @@ public void mark(TargetSystemAuditMark auditMark) {
 
 
     public static class Builder {
-        protected static DynamoDBUtil dynamoDBUtil;
+        private final DynamoDBUtil dynamoDBUtil;
         private final TransactionManager<TransactWriteItemsEnhancedRequest.Builder> txManager;
         private String tableName = CommunityPersistenceConstants.DEFAULT_MARKER_STORE_NAME;
         private boolean autoCreate = true;