Add automatic stale issue closure #53

	# This workflow uses actions that are not certified by GitHub.
	# They are provided by a third-party and are governed by
	# separate terms of service, privacy policy, and support
	# documentation.
	# hadoint is a Dockerfile linter written in Haskell
	# that helps you build best practice Docker images.
	# More details at https://github.com/hadolint/hadolint

	name: Hadolint

	on:
	push:
	branches: [ "main" ]
	pull_request:
	# The branches below must be a subset of the branches above
	branches: [ "main" ]
	schedule:
	- cron: '37 16 * * 3'

	permissions:
	contents: read

	jobs:
	hadolint:
	name: Run hadolint scanning
	runs-on: ubuntu-latest
	permissions:
	contents: read # for actions/checkout to fetch code
	security-events: write # for github/codeql-action/upload-sarif to upload SARIF results
	actions: read # only required for a private repository by github/codeql-action/upload-sarif to get the Action run status
	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Run hadolint
	uses: hadolint/[email protected]
	with:
	dockerfile: ./stable/Dockerfile
	format: sarif
	output-file: hadolint-results.sarif
	no-fail: true

	- name: Upload analysis results to GitHub
	uses: github/codeql-action/upload-sarif@v3
	with:
	sarif_file: hadolint-results.sarif
	wait-for-processing: true

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