fix: CI install node12 for windows (#576)

* fix: CI install node12 for windows

* Add tag

* Use n to update node

* Everything works, move to win-build
4 jobs for v0.4-beta in 9 minutes and 5 seconds (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Test
passed #269357
linux-docker
linux-test

00:02:32

 
  Build
failed #269358
linux-docker
linux-build

00:06:33

failed #269359
darwin-shell
osx-build

00:04:50

failed #269360
linux-docker
win-build

00:03:49

 
Name Stage Failure
failed
win-build Build
No job log
failed
osx-build Build
No job log
failed
linux-build Build
No job log