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>

backend/pyproject.toml

@@ -9,16 +9,16 @@ dependencies = [
     "uvicorn[standard]==0.40.0",
     "pydantic==2.12.5",
     "pydantic-settings==2.12.0",
-    "python-dotenv==1.2.1",
-    "sqlalchemy[asyncio]==2.0.46",
+    "python-dotenv==1.2.2",
+    "sqlalchemy[asyncio]==2.0.48",
     "asyncpg==0.31.0",
-    "alembic==1.18.3",
+    "alembic==1.18.4",
 ]
 
 [project.optional-dependencies]
 dev = [
-    "ruff==0.15.0",
-    "ty==0.0.17",
+    "ruff==0.15.7",
+    "ty==0.0.24",
 
     "pytest==9.0.2",
     "pytest-asyncio==1.3.0",