Update `Vietnamese` translation

Currently translated at 17.7% (100 of 564 strings)

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

i18n/vi.json

@@ -104,7 +104,7 @@
             " "
         ],
         "verify": [
-            "",
+            "Kiểm Chứng",
             " ",
             " ",
             " ",