update node.js install in docker build

[abandoned-prototype]

What issue are you seeing?

When building the docker image the following message appears:

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#7 3.257 ▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓
#7 3.257 ================================================================================
#7 3.257 
#7 3.257                            SCRIPT DEPRECATION WARNING                    
#7 3.257 
#7 3.257   
#7 3.257   This script, located at https://deb.nodesource.com/setup_X, used to
#7 3.257   install Node.js is deprecated now and will eventually be made inactive.
#7 3.257 
#7 3.257   Please visit the NodeSource distributions Github and follow the
#7 3.257   instructions to migrate your repo.
#7 3.257   https://github.com/nodesource/distributions
#7 3.257 
#7 3.257   The NodeSource Node.js Linux distributions GitHub repository contains
#7 3.257   information about which versions of Node.js and which Linux distributions
#7 3.257   are supported and how to install it.
#7 3.257   https://github.com/nodesource/distributions
#7 3.257 
#7 3.257 
#7 3.257                           SCRIPT DEPRECATION WARNING
#7 3.257 
#7 3.257 ================================================================================

our dockerfile loads a script from https://deb.nodesource.com/setup_16.x to install node.js
The https://github.com/nodesource/distributions site seems to have the new way to install node.js

[sea-kelp]

We fixed this in OrcaCollective#362