Update `Bengali` translation

Currently translated at 100.0% (588 of 588 strings)

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

i18n/bn.json

@@ -435,6 +435,7 @@
         "total": "$1 {{PLURAL:$2|ইসু|টি ইসু}} ঠিক হয়েছে"
     },
     "overview": {
+        "admins": "প্রবন্ধক:",
         "articles": "আর্টিকেল:",
         "comments": "আর্টিকেল কমেন্ট:",
         "created": "বানানো হয়েছে:",