chore: enable node 12 and win32 for serialport

[reconbot]

serialport now supports node 12. It has always supported windows32 (and it tested against it) so I’ve brought that back. I couldn’t find issues that explained why it was removed. The commit suggested that maybe it was flakey? If so I’d like to know more as we don’t see that in our tests.

Closes: serialport/node-serialport#1742

Checklist

• npm test passes
• contribution guidelines followed
  here

[codecov-io]

Codecov Report

Merging #720 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #720   +/-   ##
=======================================
  Coverage   95.31%   95.31%           
=======================================
  Files          27       27           
  Lines         876      876           
=======================================
  Hits          835      835           
  Misses         41       41

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[targos]

CI: https://ci.nodejs.org/view/Node.js-citgm/job/citgm-smoker-pipeline/70/

[reconbot]

I don't really understand some of those errors.. I'll put back the ignore win32 for now and see what happens.

[BridgeAR]

On Windows 2008:

MSBUILD : error MSB3428: Could not load the Visual C++ component "VCBuild.exe". To fix this, 1) install the .NET Framework 2.0 SDK, 2) install Microsoft Visual Studio 2005 or 3) add the location of the component to the system path if it is installed elsewhere.  [C:\workspace\citgm-smoker-nobuild\workspacecitgm-smoker-nobuild\citgm_tmp\8e3d1001-8e19-4342-b349-4f54a3a077c3\serialport\packages\bindings\build\binding.sln]
 lerna ERR! npm install stderr:
 Warning: unrecognized setting VCCLCompilerTool/MultiProcessorCompilation
 Warning: unrecognized setting VCCLCompilerTool/MultiProcessorCompilation
 gyp ERR! build error 
 gyp ERR! stack Error: `C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe` failed with exit code: 1

[reconbot]

I can't support windows 2008, it's build chain is super outdated and I don't have any test machines.