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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[github-actions[bot]]

size-limit report 📦

Path	Size
dist/react-reactions.cjs.production.min.js	53.5 KB (0%)
dist/react-reactions.esm.js	53.57 KB (0%)