Add Node.js 12 to CI Services

[erisu]

Platforms affected

none

Motivation and Context

Add Node 12 too CI

Description

• Updated CI Service Config Files

Testing

none

Checklist

• I've run the tests to see all new and existing tests pass
• I added automated test coverage as appropriate for this change
• Commit is prefixed with (platform) if this change only applies to one platform (e.g. (android))
• If this Pull Request resolves an issue, I linked to the issue in the text above (and used the correct keyword to close issues using keywords)
• I've updated the documentation if necessary

[codecov-io]

Codecov Report

Merging #724 into master will increase coverage by 0.05%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #724      +/-   ##
==========================================
+ Coverage   66.57%   66.63%   +0.05%     
==========================================
  Files          18       18              
  Lines        1822     1822              
==========================================
+ Hits         1213     1214       +1     
+ Misses        609      608       -1

Impacted Files	Coverage Δ
...n/templates/cordova/lib/builders/ProjectBuilder.js	70.23% <0%> (+0.59%)	⬆️

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[brody4hire]

I think this proposal should not be merged until we resolve the following:

• no ignored build failures
• known npm test failure on Node.js 12, as recently reported in npm test fails on Node 12 #767 …

More recent attempts to add Node.js 12 to CI are failing. I would like to look into this.