Update NOTICE.txt (#6)

diff --git a/NOTICE.txt b/NOTICE.txt
index ee8a409..463951d 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -1,5 +1,5 @@
 Apache Doris
-Copyright 2018-2023 The Apache Software Foundation
+Copyright 2018-2024 The Apache Software Foundation
 
 This product includes software developed at
-The Apache Software Foundation (http://www.apache.org/).
\ No newline at end of file
+The Apache Software Foundation (http://www.apache.org/).