add Incubating to NOTICE

pjfanning · He-Pin · commit 7ae1f0d103dd · 2024-01-22T02:59:15.000+08:00
diff --git a/NOTICE b/NOTICE
@@ -1,5 +1,5 @@
-Apache Pekko SBT Paradox
-Copyright 2023 The Apache Software Foundation
+Apache Pekko (Incubating) SBT Paradox
+Copyright 2023-2024 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (https://www.apache.org/).
