Create Argo Workflow status as an image

gen_workflow_image.sh

docker run --network host --init --rm ghcr.io/puppeteer/puppeteer:latest node -e '
        import puppeteer from "puppeteer";
        const browser = await puppeteer.launch({ args: ["--no-sandbox"] });
        const page = await browser.newPage();
        await page.setViewport({ width: 200, height: 400 });
        await page.goto("http://127.0.0.1:8080/widgets/workflow-graphs/argo");
        await page.waitForSelector("svg");
        process.stdout.write(await page.screenshot());
        await browser.close();
' > screenshot.png