Update `Chinese (Traditional) (zh-hant)` translation

Currently translated at 100.0% (613 of 613 strings)

Translation: Wiki-Bot/Discord
Translate-URL: https://translate.wikibot.de/projects/wiki-bot/discord/zh-hant/

i18n/zh-hant.json

@@ -658,6 +658,7 @@
         "MediaWiki": "至少需要 $1 才能發揮全部功能，但只有`$2`。",
         "notice": "功能受限",
         "pause": "我在此伺服器正處於暫停狀態。",
+        "slow": "抱歉，我現在好像有點慢喔。",
         "text": [
             "全功率運行中！",
             " ",