feat: migrate to vue 3 (#2689)

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Co-authored-by: Joep <jcbuhre@gmail.com>
Co-authored-by: Omar Hussein <omarmohammad1951@gmail.com>
Co-authored-by: Oleg Lobanov <oleg@lobanov.me>

frontend/src/i18n/ja.json

@@ -1,6 +1,7 @@
 {
   "buttons": {
     "cancel": "キャンセル",
+    "clear": "クリアー",
     "close": "閉じる",
     "copy": "コピー",
     "copyFile": "ファイルのコピー",
@@ -109,7 +110,7 @@
     "sk": "Slovenčina",
     "svSE": "Swedish (Sweden)",
     "tr": "Türkçe",
-    "ua": "Українська",
+    "uk": "Українська",
     "zhCN": "中文 (简体)",
     "zhTW": "中文 (繁體)"
   },