fix(analytics): umami custom host should be a string (closes #852)

Jacky Zhao

2024-02-12 a7325eadc1483c181928425a4c7379427f21995a

 quartz/components/ArticleTitle.tsx

@@ -9,6 +9,7 @@
    return null
  }
}

ArticleTitle.css = `
.article-title {
  margin: 2rem 0 0 0;