[hotfix] Update copyright year to 2024 (#82)

Author: ruanhang1993

flink-sql-connector-kafka/src/main/resources/META-INF/NOTICE

@@ -1,5 +1,5 @@
 flink-sql-connector-kafka
-Copyright 2014-2023 The Apache Software Foundation
+Copyright 2014-2024 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).