fix: change callout metadata regex to include non-letter characters (#1174)

Alex Nordstrom

2024-05-29 9ff4626d25aa28891e92d533f6513a43e3374e13

 quartz/plugins/emitters/404.tsx

@@ -46,6 +46,7 @@
        frontmatter: { title: notFound, tags: [] },
      })
      const componentData: QuartzComponentProps = {
        ctx,
        fileData: vfile.data,
        externalResources,
        cfg,