CNS should not mark itself as ready if it can't write out a conflist. #2434

	name: 'Docker Base Images'
	on:
	workflow_dispatch:
	pull_request:
	types:
	- opened
	- reopened
	- synchronize
	- ready_for_review
	merge_group:
	types:
	- checks_requested

	jobs:
	render:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v5
	with:
	fetch-depth: 0
	- uses: actions/setup-go@v6
	with:
	go-version-file: go.mod
	- name: go env
	run: \|
	echo "GOPATH=$(go env GOPATH)" >> $GITHUB_ENV
	- name: Render Dockerfiles
	run: make dockerfiles
	- name: Fail if base images are outdated
	run: \|
	if [ -n "$(git status --porcelain)" ]; then
	echo "Changes detected. Please run 'make dockerfiles' locally to update the base images."
	exit 1
	fi

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