infra: bump actions/checkout from 3 to 4 #2210

	---

	name: Differential ShellCheck
	on:
	push:
	pull_request:
	branches: [ master, rhel-* ]

	permissions:
	contents: read

	jobs:
	lint:
	runs-on: ubuntu-latest

	permissions:
	security-events: write
	pull-requests: write

	steps:
	- name: Repository checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- id: ShellCheck
	name: Differential ShellCheck
	uses: redhat-plumbers-in-action/differential-shellcheck@v4
	with:
	severity: warning
	token: ${{ secrets.GITHUB_TOKEN }}
	exclude-path:
	- '*.j2'
Check failure on line 33 in .github/workflows/differential-shellcheck.yml View workflow run for this annotation GitHub Actions / Differential ShellCheck Invalid workflow file `The workflow is not valid. .github/workflows/differential-shellcheck.yml (Line: 33, Col: 13): A sequence was not expected`
	- '*/.j2'

	- if: ${{ always() }}
	name: Upload artifact with ShellCheck defects in SARIF format
	uses: actions/upload-artifact@v3
	with:
	name: Differential ShellCheck SARIF
	path: ${{ steps.ShellCheck.outputs.sarif }}

	...

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