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
Name Stage Failure
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linux-build Build
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osx-build Build
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win-build Build
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