New translations labels.json (Japanese)

[ci skip]

public/locales/ja/labels.json

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+{
+  "shared": "Shared",
+  "delete": {
+    "title": "Delete Label",
+    "message": "Are you sure you want to delete this label? This will remove the label from all tasks."
+  },
+  "loadError": "Failed to load labels. Please try again.",
+  "blurb": "Manage your labels and organize your tasks effectively. Labels will be automatically shared with your circle if they are used on a shared task."
+}