translationBot(ui): update translation (Japanese)

Currently translated at 37.7% (680 of 1801 strings)

Co-authored-by: HAL <[email protected]>
Translate-URL: https://hosted.weblate.org/projects/invokeai/web-ui/ja/
Translation: InvokeAI/Web UI

Author: HAL

invokeai/frontend/web/public/locales/ja.json

@@ -112,7 +112,8 @@
         "column": "列",
         "board": "ボード",
         "seed": "シード",
-        "combinatorial": "組み合わせ"
+        "combinatorial": "組み合わせ",
+        "aboutHeading": "想像力をこの手に"
     },
     "gallery": {
         "galleryImageSize": "画像のサイズ",