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

Jacky Zhao

2024-02-12 a7325eadc1483c181928425a4c7379427f21995a

 quartz/plugins/transformers/index.ts

@@ -8,3 +8,4 @@
export { OxHugoFlavouredMarkdown } from "./oxhugofm"
export { SyntaxHighlighting } from "./syntax"
export { TableOfContents } from "./toc"
export { HardLineBreaks } from "./linebreaks"