[workflow]: Bump actions/checkout from 1 to 4 in the dependencies group #12

	name: auto-format
	on: [push, pull_request, workflow_dispatch]
	jobs:
	format:
	permissions:
	contents: write
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	ref: ${{ github.head_ref }}
	- name: Set up Java
	uses: actions/setup-java@v4
	with:
	java-version: 17
	distribution: 'zulu'
	- name: Maven cache
	uses: actions/cache@v4
	env:
	cache-name: maven-cache
	with:
	path:
	~/.m2
	key: build-${{ env.cache-name }}
	- name: Run Formatter
	run: mvn com.spotify.fmt:fmt-maven-plugin:format -DskipTestSourceDirectory=true -DskipSortingImports=true
	- name: Check for modified files
	id: git-check
	run: echo "modified=$(if git diff-index --quiet HEAD --; then echo "false"; else echo "true"; fi)" >> $GITHUB_OUTPUT
	- name: Commit & Push changes
	if: steps.git-check.outputs.modified == 'true'
	uses: actions-js/push@master
	with:
	message: "Google-Java-Format"
	branch: "master"
	github_token: ${{ secrets.GITHUB_TOKEN }}

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