Push empty commits to git for some branches

EmptyPushCiBuild.ps1

#!/usr/bin/env pwsh

git fetch --all

$branches = ('branch0',
	'branch1',
	'branch2',
);

foreach ($branch in $branches) {
	Write-Host "Pushing empty commit to $branch";
	git checkout "$branch";
	git commit --allow-empty -m "empty commit (start ci pr build)";
	git push origin "$branch";
	Write-Host "Done.."
}