fix: match setup-node node version with what's used by the little pi #10

	name: Epitome CI/CD
	on:
	push:
	branches:
	- master
	- test/gh-actions
	jobs:
	deploy:
	name: Deploy to Raspberry Pi 4 (self-hosted) 🦖
	env:
	TOKEN: ${{ secrets.TOKEN }}
	CLIENT_ID: ${{ secrets.CLIENT_ID }}
	runs-on: self-hosted
	steps:
	- name: Check out repository code
	uses: actions/checkout@v4
	- name: Check out yarn cache
	uses: actions/setup-node@v4
	with:
	node-version: 16
	cache: yarn
	- name: Install npm dependencies with yarn if needed
	run: yarn install --from-lock-file
	- name: Build epitome (/dist)
	run: yarn run build
	- name: Stop previous epitome pm2 process
	run: pm2 delete epitome 2> /dev/null \|\| true
	- name: Create a database backup
	run: touch ~/apps/database.sqlite && cp ~/apps/database.sqlite ~/.epitome.database.sqlite.backup
	- name: Prepare application directory
	run: rm -rf ~/apps/epitome && mkdir ~/apps/epitome
	- name: Move build contents & dependencies to application directory
	run: mv dist/* ~/apps/epitome && mv node_modules ~/apps/epitome
	- name: Export token and client id as environment variables
	run: export TOKEN=$TOKEN && export CLIENT_ID=$CLIENT_ID
	- name: Restore database backup
	run: cp ~/.epitome.database.sqlite.backup ~/apps/epitome/database.sqlite && rm ~/.epitome.database.sqlite.backup
	- name: Start new epitome pm2 process
	run: cd ~/apps/epitome && pm2 start -f index.js --name epitome && pm2 save

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