update changelogs and notice for 1.20 release (#219)

diff --git a/NOTICE.txt b/NOTICE.txt
index 37ef3f4..a76526f 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -1,5 +1,5 @@
 Apache OpenWhisk Runtime Node.js
-Copyright 2016-2021 The Apache Software Foundation
+Copyright 2016-2022 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).
diff --git a/README.md b/README.md
index 6f9c8ef..5b3130a 100644
--- a/README.md
+++ b/README.md
@@ -26,8 +26,8 @@
 
 The following Node.js runtime versions (with kind & image labels) are generated by the build system:
 
-- Node.js 14.17.2 (`nodejs:14` & `openwhisk/action-nodejs-v14`)
-- Node.js 16.13.1 (`nodejs:16` & `openwhisk/action-nodejs-v16`)
+- Node.js 14.19 (`nodejs:14` & `openwhisk/action-nodejs-v14`)
+- Node.js 16.15 (`nodejs:16` & `openwhisk/action-nodejs-v16`)
 
 This README documents the build, customisation and testing of these runtime images.
 
diff --git a/core/nodejs14Action/CHANGELOG.md b/core/nodejs14Action/CHANGELOG.md
index 3c85a95..95d4e6b 100644
--- a/core/nodejs14Action/CHANGELOG.md
+++ b/core/nodejs14Action/CHANGELOG.md
@@ -19,10 +19,10 @@
 
 # NodeJS 14 OpenWhisk Runtime Container
 
-# Next Release
-- Update Node to 1.19.x
-Node.js version = [14.19.0](https://nodejs.org/en/blog/release/v14.19.0/)
-OpenWhisk version = [OpenWhisk v3.21.4](https://www.npmjs.com/package/openwhisk)
+# Apache 1.20
+- Update Node to 14.19.x
+Node.js version = [14.19.1](https://nodejs.org/en/blog/release/v14.19.1/)
+OpenWhisk version = [OpenWhisk v3.21.6](https://www.npmjs.com/package/openwhisk)
 
 # Apache 1.19
   - Remove Node.js 10 support
diff --git a/core/nodejs16Action/CHANGELOG.md b/core/nodejs16Action/CHANGELOG.md
index db390ed..20d81bc 100644
--- a/core/nodejs16Action/CHANGELOG.md
+++ b/core/nodejs16Action/CHANGELOG.md
@@ -19,10 +19,8 @@
 
 # NodeJS 16 OpenWhisk Runtime Container
 
-# Next Release
-
-Changes:
+# Apache 1.20
   - Initial release with support for Node.js v1.16
 
-Node.js version = [16.13.1](https://nodejs.org/en/blog/release/v16.13.1/)
-OpenWhisk version = [OpenWhisk v3.21.2](https://www.npmjs.com/package/openwhisk)
+Node.js version = [16.15.0](https://nodejs.org/en/blog/release/v16.15.0/)
+OpenWhisk version = [OpenWhisk v3.21.6](https://www.npmjs.com/package/openwhisk)
diff --git a/core/nodejs16Action/Dockerfile b/core/nodejs16Action/Dockerfile
index 1d6298e..60195d6 100644
--- a/core/nodejs16Action/Dockerfile
+++ b/core/nodejs16Action/Dockerfile
@@ -15,7 +15,7 @@
 # limitations under the License.
 #
 
-FROM node:16.14-bullseye
+FROM node:16.15-bullseye
 
 # Initial update and some basics.
 #