fix(spa): Fix relative alias redirects (#1688)

quartz/components/scripts/util.ts

@@ -41,5 +41,5 @@ export async function fetchCanonical(url: URL): Promise<Response> {
   // to allow the caller to read it if it's was not a redirect
   const text = await res.clone().text()
   const [_, redirect] = text.match(canonicalRegex) ?? []
-  return redirect ? fetch(redirect) : res
+  return redirect ? fetch(`${new URL(redirect, url)}`) : res
 }