fix: Allow block time offset to be negative #463

	# Fails if a PR doesn't have a changeset and is not labeled
	# as "no changeset needed"

	name: Check that the PR has a changeset

	on:
	pull_request:
	branches:
	- main
	types:
	- opened
	- synchronize
	- reopened
	- labeled
	- unlabeled

	jobs:
	check-if-changeset:
	name: Check that PR has a changeset
	runs-on: ubuntu-latest
	# don't run this check in the changesets PR
	if: github.head_ref != 'changeset-release/main'
	steps:
	- uses: actions/github-script@v6
	with:
	script: \|
	const pullNumber = context.issue.number;

	const { data: files } = await github.rest.pulls.listFiles({
	...context.issue,
	pull_number: pullNumber
	});
	const changeset = files.find(
	file => file.status === "added" && file.filename.startsWith(".changeset/")
	);
	if (changeset !== undefined) {
	console.log("Changeset found:", changeset.filename);
	return;
	}

	console.log("No changeset found");


	const { data: pull } = await github.rest.pulls.get({
	...context.issue,
	pull_number: pullNumber
	});
	const noChangesetNeededLabel = pull.labels
	.some(l => l.name === "no changeset needed");
	if (noChangesetNeededLabel) {
	console.log('The PR is labeled as "no changeset needed"');
	return;
	}

	console.log('The PR is not labeled as "no changeset needed"');

	process.exit(1);

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