* correct the version of node required
* clarify Node.js 12 and 14 requirements and enviroments
* 12 or 14
Co-authored-by: Zeke Sikelianos <zeke@sikelianos.com>
* set engines.node to >=12
* set engines.node to >=12
* Update node-versions.md
* update Node.js version in Actions workflows
* Update .node-version
* Update references to Node.js version from 12 to 14
* Update Dockerfile to use Node.js 14
* set engines.node to safe "12 - 14" range