Build warnings in circleci with Node v14.13.0

[pkfec]

In circleci, Install node dependencies and Deploy API tasks displays npm warnings as shown below:

Now using node v14.13.0 (npm v6.14.8)
default -> 14.13.0 (-> v14.13.0 *)
/home/circleci/.nvm/versions/node/v14.13.0/bin/npm -> /home/circleci/.nvm/versions/node/v14.13.0/lib/node_modules/npm/bin/npm-cli.js
/home/circleci/.nvm/versions/node/v14.13.0/bin/npx -> /home/circleci/.nvm/versions/node/v14.13.0/lib/node_modules/npm/bin/npx-cli.js

npm WARN notsup Unsupported engine for npm@8.3.0: wanted: {"node":"^12.13.0 || ^14.15.0 || >=16"} (current: {"node":"14.13.0","npm":"6.14.8"})
npm WARN notsup Not compatible with your version of node/npm: npm@8.3.0

• npm@8.3.0
  added 67 packages from 17 contributors, removed 287 packages and updated 147 packages in 3.799s
  npm does not support Node.js v14.13.0
  You should probably upgrade to a newer version of node as we
  can't make any promises that npm will work with this version.
  You can find the latest version at https://nodejs.org/

npm WARN EBADENGINE Unsupported engine {
npm WARN EBADENGINE package: 'openfec@1.0.0',
npm WARN EBADENGINE required: { node: '14.13.0', npm: '7.23.0' },
npm WARN EBADENGINE current: { node: 'v14.13.0', npm: '8.3.0' }
npm WARN EBADENGINE }

⸨#########⠂⠂⠂⠂⠂⠂⠂⠂⠂⸩ ⠇ idealTree: timing idealTree Completed in 5

Action item(s)

1. In circleci/config.yml:

• Update Node to v14.15.0 or higher

2. In package.json

• Update Node to v14.15.0 or higher
• Update NPM to v8.3.0

Completion criteria

• Update Node to v14.15.0 or higher
• Update NPM to v8.3.0
• Circleci Install node dependencies and Deploy API run without NPM warnings