Add a step to cancel previous workflows #32

	name: Build and Deploy Astro
	on:
	push:
	branches:
	- main
	workflow_dispatch:
	repository_dispatch:
	types: [build-trigger]

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- name: Use Node.js current
	uses: actions/setup-node@v4
	with:
	node-version-file: .nvmrc

	- name: Install dependencies & build
	run: \|
	npm install --legacy-peer-deps
	npm run build

	- name: Cancel Previous Deployments
	id: cancel_previous_deployments
	uses: actions/github-script@v6
	with:
	script: \|
	const deployments = await github.repos.listDeployments({
	owner: context.repo.owner,
	repo: context.repo.repo
	});
	const inProgressDeployments = deployments.data.filter(deployment => deployment.status === 'in_progress');
	for (const deployment of inProgressDeployments) {
	await github.repos.deleteDeployment({
	owner: context.repo.owner,
	repo: context.repo.repo,
	deployment_id: deployment.id
	});
	}

	- name: Deploy
	uses: peaceiris/actions-gh-pages@v4
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: dist
	# publish_branch is the branch in the repository.
	# this is where you need to point GitHub pages
	publish_branch: gh-pages

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