[web] New translations (#3597)

New translations from
[Crowdin](https://crowdin.com/project/ente-photos-web)

web/packages/base/locales/ja-JP/translation.json

@@ -6,7 +6,7 @@
     "intro_slide_3_title": "",
     "intro_slide_3": "",
     "login": "",
-    "sign_up": "",
+    "sign_up": "サインアップ",
     "NEW_USER": "",
     "EXISTING_USER": "",
     "enter_name": "",
@@ -23,16 +23,16 @@
     "INVALID_CODE": "",
     "EXPIRED_CODE": "",
     "SENDING": "",
-    "SENT": "",
-    "password": "",
-    "link_password_description": "",
-    "unlock": "",
-    "SET_PASSPHRASE": "",
-    "VERIFY_PASSPHRASE": "",
-    "INCORRECT_PASSPHRASE": "",
-    "ENTER_ENC_PASSPHRASE": "",
+    "SENT": "送信完了",
+    "password": "パスワード",
+    "link_password_description": "アルバムのロックを解除するにはパスワードを入力してください",
+    "unlock": "ロック解除",
+    "SET_PASSPHRASE": "パスワードを設定",
+    "VERIFY_PASSPHRASE": "サインイン",
+    "INCORRECT_PASSPHRASE": "パスワードが間違っています",
+    "ENTER_ENC_PASSPHRASE": "あなたのデータを暗号化するためのパスワードを入力してください",
     "PASSPHRASE_DISCLAIMER": "",
-    "WELCOME_TO_ENTE_HEADING": "",
+    "WELCOME_TO_ENTE_HEADING": "<a/> へようこそ",
     "WELCOME_TO_ENTE_SUBHEADING": "",
     "WHERE_YOUR_BEST_PHOTOS_LIVE": "",
     "KEY_GENERATION_IN_PROGRESS_MESSAGE": "",