chore: Update translations (#9236)

- update translations 

------------------
Co-authored-by: Sojan <sojan@pepalo.com>

app/javascript/widget/i18n/locale/ja.json

@@ -33,9 +33,9 @@
   ],
   "START_CONVERSATION": "チャットを開始する",
   "END_CONVERSATION": "End Conversation",
-  "CONTINUE_CONVERSATION": "Continue conversation",
+  "CONTINUE_CONVERSATION": "会話を続行",
   "YOU": "You",
-  "START_NEW_CONVERSATION": "Start a new conversation",
+  "START_NEW_CONVERSATION": "新しいチャットを開始する",
   "VIEW_UNREAD_MESSAGES": "You have unread messages",
   "UNREAD_VIEW": {
     "VIEW_MESSAGES_BUTTON": "新しいメッセージを見る",
@@ -80,7 +80,7 @@
     },
     "CAMPAIGN_HEADER": "Please provide your name and email before starting the conversation",
     "IS_REQUIRED": "is required",
-    "REQUIRED": "Required",
+    "REQUIRED": "必須",
     "REGEX_ERROR": "Please provide a valid input"
   },
   "FILE_SIZE_LIMIT": "添付ファイルサイズの上限 {MAXIMUM_FILE_UPLOAD_SIZE} を超えています",
@@ -99,7 +99,7 @@
     "PLACEHOLDER": "Tell us more..."
   },
   "EMAIL_TRANSCRIPT": {
-    "BUTTON_TEXT": "Request a conversation transcript",
+    "BUTTON_TEXT": "会話の履歴をメールで受け取る",
     "SEND_EMAIL_SUCCESS": "チャットの記録は正常に送信されました",
     "SEND_EMAIL_ERROR": "エラーが発生しました。もう一度お試しください。"
   },
@@ -110,8 +110,8 @@
     }
   },
   "PORTAL": {
-    "POPULAR_ARTICLES": "Popular Articles",
-    "VIEW_ALL_ARTICLES": "View all articles",
+    "POPULAR_ARTICLES": "よくある質問",
+    "VIEW_ALL_ARTICLES": "全てのヘルプを表示",
     "IFRAME_LOAD_ERROR": "There was an error loading the article, please refresh the page and try again."
   },
   "ATTACHMENTS": {