update description of v18

Author: dgrove-oss

README.md

@@ -27,8 +27,8 @@ This repository contains sources files needed to build the Node.js runtimes for
 The following Node.js runtime versions (with kind & image labels) are generated by the build system:
 
 - Node.js 14.19 (`nodejs:14` & `openwhisk/action-nodejs-v14`)
-- Node.js 16.15 (`nodejs:16` & `openwhisk/action-nodejs-v16`)
-- Node.js 18 (`nodejs:18` & `openwhisk/action-nodejs-v16`)
+- Node.js 16 (`nodejs:16` & `openwhisk/action-nodejs-v16`)
+- Node.js 18 (`nodejs:18` & `openwhisk/action-nodejs-v18`)
 
 This README documents the build, customisation and testing of these runtime images.
 
@@ -56,6 +56,7 @@ All the runtime images are published by the project to Docker Hub @ [https://hub
 
 - [https://hub.docker.com/r/openwhisk/action-nodejs-v14](https://hub.docker.com/r/openwhisk/action-nodejs-v14)
 - [https://hub.docker.com/r/openwhisk/action-nodejs-v16](https://hub.docker.com/r/openwhisk/action-nodejs-v16)
+- [https://hub.docker.com/r/openwhisk/action-nodejs-v18](https://hub.docker.com/r/openwhisk/action-nodejs-v18)
 
 These images can be used to execute Node.js actions on any deployment of Apache OpenWhisk, even those without those images defined the in runtime manifest, using the `--docker` action parameter.
 
@@ -84,9 +85,10 @@ The `core/nodejsActionBase` folder contains the Node.js app server used to imple
 ```
 ./gradlew core:nodejs14Action:distDocker
 ./gradlew core:nodejs16Action:distDocker
+./gradlew core:nodejs18Action:distDocker
 ```
 
-This will return the following runtime images with the following names: `action-nodejs-v14` and `action-nodejs-v16`.
+This will return the following runtime images with the following names: `action-nodejs-v14`, `action-nodejs-v16`, and `action-nodejs-v18`.
 
 ### Testing
 
@@ -104,6 +106,7 @@ This will return the following runtime images with the following names: `action-
 ```
 ./gradlew tests:dat:docker:nodejs14docker:distDocker
 ./gradlew tests:dat:docker:nodejs16docker:distDocker
+./gradlew tests:dat:docker:nodejs18docker:distDocker
 ```
 
 - Run the project tests.