Update node version for nodejs (#6815)

Author: JHyeok

frameworks/JavaScript/nodejs/README.md

@@ -16,7 +16,7 @@ The server is currently in Alpha state, but aims to be a drop-in replacement for
 
 ## Infrastructure Software Versions
 The tests were run with:
-* [Node.js v14.17.5](http://nodejs.org/)
+* [Node.js v16.9.1](http://nodejs.org/)
 
 * [Node MySQL 2.16.0](https://github.com/felixge/node-mysql/)
 * [Sequelize 5.15.1](https://github.com/sequelize/sequelize)

frameworks/JavaScript/nodejs/nodejs.dockerfile

@@ -1,4 +1,4 @@
-FROM node:14.17.5-slim
+FROM node:16.9.1-slim
 
 ARG TFB_TEST_NAME