Change unknown action translations

apps/app/public/static/locales/en_US/translation.json

@@ -1001,7 +1001,7 @@
     "bookmarks": "Bookmarks",
     "recently_created": "Recently Created",
     "recent_activity": "Recent Activity",
-    "unknown_action": "performed an unknown action",
+    "unknown_action": "made an unspecified change",
     "page_create": "created a page",
     "page_update": "updated a page",
     "page_delete": "deleted a page",

apps/app/public/static/locales/fr_FR/translation.json

@@ -995,7 +995,7 @@
     "bookmarks": "Favoris",
     "recently_created": "Page récentes",
     "recent_activity": "Activité récente",
-    "unknown_action": "a effectué une action inconnue",
+    "unknown_action": "a effectué une modification non spécifiée",
     "page_create": "a créé une page",
     "page_update": "a mis à jour une page",
     "page_delete": "a supprimé une page",

apps/app/public/static/locales/ja_JP/translation.json

@@ -1034,7 +1034,7 @@
     "bookmarks": "ブックマーク",
     "recently_created": "最近作成したページ",
     "recent_activity": "最近のアクティビティ",
-    "unknown_action": "不明な操作を実行しました",
+    "unknown_action": "未指定の変更を加えました",
     "page_create": "ページを作成しました",
     "page_update": "ページを更新しました",
     "page_delete": "ページを削除しました",

apps/app/public/static/locales/ko_KR/translation.json

@@ -961,7 +961,7 @@
     "bookmarks": "북마크",
     "recently_created": "최근 생성됨",
     "recent_activity": "최근 활동",
-    "unknown_action": "알 수 없는 작업을 수행했습니다",
+    "unknown_action": "지정되지 않은 변경 사항을 적용했습니다",
     "page_create": "페이지를 생성했습니다",
     "page_update": "페이지를 업데이트했습니다",
     "page_delete": "페이지를 삭제했습니다",

apps/app/public/static/locales/zh_CN/translation.json

@@ -1006,7 +1006,7 @@
     "bookmarks": "书签",
     "recently_created": "最近创建页面",
     "recent_activity": "最近动态",
-    "unknown_action": "执行了未知操作",
+    "unknown_action": "进行了未指明的更改",
     "page_create": "创建了页面",
     "page_update": "更新了页面",
     "page_delete": "删除了页面",