Bump @types/node from 18.17.15 to 20.8.7 #34

	name: CI
	on: push
	jobs:
	test:
	name: Lint, typecheck
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Setup Node
	uses: actions/[email protected]
	with:
	node-version: "16"
	# Cache node_modules for faster CI runs if the yarn.lock doesn't change change
	- name: Get yarn cache directory path
	id: yarn-cache-dir
	run: echo "::set-output name=dir::$(yarn cache dir)"
	- name: Restore yarn cache
	uses: actions/cache@v3
	id: yarn-cache
	with:
	path: ${{ steps.yarn-cache-dir.outputs.dir }}
	key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
	restore-keys: \|
	${{ runner.os }}-yarn-
	# Throw an error if the yarn.lock file doesn't match the installed dependencies (rather than updating it in-place, which it does by default locally)
	- name: Install
	run: yarn install --frozen-lockfile --silent
	- name: Lint
	run: yarn lint
	- name: Typecheck
	run: yarn typecheck

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