Update actions/checkout action to v4 #49

	name: format

	# This action works with pull requests and pushes
	on:
	pull_request:
	push:
	branches:
	- master

	jobs:
	prettier:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	# Make sure the actual branch is checked out when running on pull requests
	ref: ${{ github.head_ref }}

	- name: Prettify code
	uses: creyD/prettier_action@v3.3
	with:
	# This part is also where you can pass other options, for example:
	prettier_options: -w -u */
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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