fix: firefox addons link

lib/routes/firefox/addons.js

@@ -27,7 +27,7 @@ module.exports = async (ctx) => {
                 return {
                     title: version,
                     description: versionInfo.releaseNotes || '',
-                    link: `https://chrome.google.com/webstore/detail/${id}`,
+                    link: `https://addons.mozilla.org/zh-CN/firefox/addon/${id}/versions/`,
                     pubDate: new Date(versionInfo.platformFiles.all.created).toUTCString(),
                     guid: version,
                     author: info.authors.map((author) => author.name).join(', '),