message: build: update windows configuration to match new vm
diff: cd /d %~dp0
  cd ..
  -@rem The image we're currently running has a broken version of Node.js enabled
  -@rem by nvm (v10.15.3), which has no npm bin. This hack uses the functional
  -@rem Node v8.9.1 to install npm@latest, it then uses this version of npm to
  -@rem install npm for v10.15.3.
  -call nvm use v8.9.1 || goto :error
  -call node C:\Users\kbuilder\AppData\Roaming\nvm-ps\versions\v8.9.1\node_modules\npm-bootstrap\bin\npm-cli.js i npm -g || goto :error
  -call nvm use v10.15.3 || goto :error
  -call node C:\Users\kbuilder\AppData\Roaming\nvm-ps\versions\v8.9.1\node_modules\npm\bin\npm-cli.js i npm -g || goto :error
  +@rem npm path is not currently set in our image, we should fix this next time
  +@rem we upgrade Node.js in the image:
  +SET PATH=%PATH%;/cygdrive/c/Program Files/nodejs/npm
  +
  +call nvm use v12.14.1
  +call which node
  call npm install || goto :error
  call npm run test || goto :error
  