Update actions/checkout action to v4 #188

	name: Pull Request

	on:
	pull_request:
	paths-ignore:
	- 'README.md'
	- 'LICENSE'
	- '.editorconfig'

	jobs:
	validate:
	name: "Validate"
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- name: Use Node.js 18.x
	uses: actions/setup-node@v3
	with:
	node-version: "18.x"

	- name: Install dependencies
	run: yarn --frozen-lockfile

	- name: Linting
	run: yarn lint

	- name: Type Check
	run: yarn type-check

	- name: Unit Testing
	run: yarn test:coverage

	# - name: Upload Coverage
	# uses: codecov/codecov-action@v3
	# with:
	# # token: ${{secrets.CODECOV_TOKEN}} # not required for public repos
	# directory: coverage
	# fail_ci_if_error: true

	- name: Build
	run: yarn build

	- id: publish
	uses: JS-DevTools/npm-publish@v1
	with:
	token: ${{ secrets.NPM_TOKEN }}
	dry-run: true

	- if: steps.publish.outputs.type != 'none'
	run: \|
	echo "Version changed: ${{ steps.publish.outputs.old-version }} => ${{ steps.publish.outputs.version }}"

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