Update dependencies from Renovate PRs

Backend: python-dotenv 1.2.1→1.2.2, sqlalchemy 2.0.46→2.0.48, ty 0.0.17→0.0.24
Frontend: react-router-dom 7.13.0→7.13.1, @tanstack/react-query 5.90.20→5.91.3, @vitejs/plugin-react 5.1.3→5.2.0

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/package.json

@@ -20,25 +20,25 @@
     "@dnd-kit/sortable": "10.0.0",
     "@dnd-kit/utilities": "3.2.2",
     "@tailwindcss/typography": "^0.5.19",
-    "@tanstack/react-query": "5.90.20",
+    "@tanstack/react-query": "5.91.3",
     "react": "19.2.4",
     "react-dom": "19.2.4",
     "react-markdown": "^10.1.0",
-    "react-router-dom": "7.13.0",
+    "react-router-dom": "7.13.1",
     "remark-gfm": "^4.0.1",
     "sonner": "2.0.7"
   },
   "devDependencies": {
     "@axe-core/playwright": "4.11.1",
     "@playwright/test": "1.58.2",
-    "@tailwindcss/vite": "4.1.18",
+    "@tailwindcss/vite": "4.2.2",
     "@testing-library/jest-dom": "^6.9.1",
     "@testing-library/react": "^16.3.2",
     "@testing-library/user-event": "^14.6.1",
     "@types/node": "24.10.10",
-    "@types/react": "19.2.11",
+    "@types/react": "19.2.14",
     "@types/react-dom": "19.2.3",
-    "@vitejs/plugin-react": "5.1.3",
+    "@vitejs/plugin-react": "5.2.0",
     "jsdom": "^28.1.0",
     "oxfmt": "0.33.0",
     "oxlint": "1.48.0",