fix(route): migrate WHO routes to new time parser (#7528)

lib/routes/who/news-room.js

@@ -1,7 +1,7 @@
 const got = require('@/utils/got');
 const cheerio = require('cheerio');
 const url = require('url');
-const date = require('@/utils/date');
+const { parseDate } = require('@/utils/parse-date');
 
 const host = 'https://www.who.int/';
 
@@ -20,7 +20,7 @@ module.exports = async (ctx) => {
                 const $elem = $(elem);
                 const title = $elem.find('p').text();
                 const link = url.resolve(host, $elem.find('a').attr('href'));
-                const pubDate = date($elem.find('.timestamp').text());
+                const pubDate = parseDate($elem.find('.timestamp').text(), 'YYYY年M月D日');
 
                 const item = {
                     title,