chore(deps): update actions/setup-node action to v2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-node	action	major	v1 -> v2

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Release Notes

actions/setup-node

### [`v2`](https://togithub.com/actions/setup-node/compare/v1...v2) [Compare Source](https://togithub.com/actions/setup-node/compare/v1...v2)

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[codecov[bot]]

Codecov Report

Merging #6 (ef63ff4) into main (2d8b570) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main       #6   +/-   ##
=======================================
  Coverage   88.88%   88.88%           
=======================================
  Files           1        1           
  Lines          18       18           
  Branches        4        4           
=======================================
  Hits           16       16           
  Misses          2        2           

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[debs-obrien]

@pi0 can you just check that this is ok to update. thanks

[debs-obrien]

Thanks @danielroe for appoving