fix: escape encoding for titles in rss

quartz/plugins/transformers/description.ts

@@ -1,6 +1,7 @@
 import { Root as HTMLRoot } from "hast"
 import { toString } from "hast-util-to-string"
 import { QuartzTransformerPlugin } from "../types"
+import { escapeHTML } from "../../util/escape"
 
 export interface Options {
   descriptionLength: number
@@ -10,15 +11,6 @@ const defaultOptions: Options = {
   descriptionLength: 150,
 }
 
-const escapeHTML = (unsafe: string) => {
-  return unsafe
-    .replaceAll("&", "&")
-    .replaceAll("<", "&lt;")
-    .replaceAll(">", "&gt;")
-    .replaceAll('"', "&quot;")
-    .replaceAll("'", "&#039;")
-}
-
 export const Description: QuartzTransformerPlugin<Partial<Options> | undefined> = (userOpts) => {
   const opts = { ...defaultOptions, ...userOpts }
   return {