Make sure that build scripts use rerun-if-changed in a correct way #3125

	name: Definition of Done
	on:
	pull_request:
	types: [opened, synchronize]
	permissions: {}

	jobs:
	check-changelog:
	runs-on: ubuntu-latest
	# Excluding Dependabot PRs from this check.
	if: github.actor != 'dependabot[bot]'
	steps:
	- uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
	with:
	fetch-depth: 0
	- name: Check for new file in .unreleased
	run: \|
	FILE_COUNT=$(git diff --name-only ${{github.event.pull_request.base.sha}}..HEAD -- .unreleased \| wc -l)
	if [ "$FILE_COUNT" -eq "0" ]; then
	echo "No new file in .unreleased directory. Please add a new file describing your changes."
	exit 1
	fi

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