apply Copilot styling suggestion

i18n/languages.json

@@ -30,7 +30,7 @@
     "ce": ["нохчийн мотт", "Chechen"],
     "ny": ["chiCheŵa", "Chichewa"],
     "zh": ["中文", "Chinese"],
-    "zh-tw": ["繁體中文", "Chinese Traditional"],
+    "zh-tw": ["繁體中文", "Chinese (Traditional)"],
     "cv": ["чӑваш чӗлхи", "Chuvash"],
     "kw": ["Kernewek", "Cornish"],
     "co": ["corsu", "Corsican"],