feat: add GHA workflow to keep track of the Ubuntu image SHA #1

	name: Update SHA of latest ubuntu images
	# This is to workaround the 3mo timeout for GHA scheduled actions on repos with
	# no new commits, by automatically creating new commits.
	on:
	schedule:
	# check for a new ubuntu image every week at 04:17am on mondays
	- cron: "17 04 * * 1"
	# let us manually trigger a build
	workflow_dispatch:
	env:
	BASE_IMAGE_NAME: base-docker
	ACTION_IMAGE_NAME: base-action
	jobs:
	jobs:
Check failure on line 14 in .github/workflows/update-ubuntu-sha.yaml View workflow run for this annotation GitHub Actions / .github/workflows/update-ubuntu-sha.yaml Invalid workflow file `You have an error in your yaml syntax on line 14`
	update:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@master
	- uses: extractions/setup-just@69d82fb0233557aec017ef13706851d0694e0f1d
	- name: update SHAs
	run: just update-docker-shas
	- name: Commit file
	run: \|
	git status
	git add *.sha
	if git diff-index --quiet HEAD; then
	exit
	fi
	git config --local user.email "[email protected]"
	git config --local user.name "GitHub Action"
	git commit -m "Update base image SHA files"
	git push origin

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