tidy up (#8) #4

	name: Downgraded Release

	on:
	push:
	tags:
	- '*'

	jobs:
	downgrade_release:
	runs-on: ubuntu-latest

	steps:
	- uses: "actions/checkout@v2"

	-
	uses: "shivammathur/setup-php@v2"
	with:
	php-version: 8.1
	coverage: none

	- uses: "ramsey/composer-install@v2"

	# downgrade /src to PHP 7.2
	- run: vendor/bin/rector process src --config build/rector-downgrade-php-72.php --ansi
	- run: vendor/bin/ecs check src --fix --ansi

	# copy PHP 7.2 composer
	- run: cp build/composer-php-72.json composer.json

	# clear the dev files
	- run: rm -rf build .github tests ecs.php phpstan.neon phpunit.xml

	# setup git user
	-
	run: \|
	git config user.email "[email protected]"
	git config user.name "GitHub Action"

	# publish to the same repository with a new tag
	-
	name: "Tag Downgraded Code"
	run: \|
	# separate a "git add" to add untracked (new) files too
	git add --all
	git commit -m "release PHP 7.2 downgraded"

	# force push tag, so there is only 1 version
	git tag "${GITHUB_REF#refs/tags/}" --force
	git push origin "${GITHUB_REF#refs/tags/}" --force

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