prepare for 1.16.0 release (#105)

Author: dgrove-oss

NOTICE.txt

@@ -1,5 +1,5 @@
 Apache OpenWhisk Runtime Docker
-Copyright 2016-2023 The Apache Software Foundation
+Copyright 2016-2024 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).

core/CHANGELOG.md

@@ -19,9 +19,9 @@
 
 # Apache OpenWhisk Docker Runtime Container
 
-## next release
+## 1.16.0
 Changes:
-  - Update Python dependencies
+  - Update Python dependencies (#102)
 
 ## 1.15.0
   - Update base python image to `python:3.11-alpine`