fix(deps): update react monorepo to v19

Author: renovate[bot]

frontend/package.json

@@ -25,8 +25,8 @@
     "@mui/x-data-grid": "^7.16.0",
     "@vitejs/plugin-react": "^4.3.1",
     "axios": "^1.7.7",
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
     "react-router": "^7.0.0",
     "react-router-dom": "^7.0.0",
     "vite": "^6.0.0",
@@ -38,8 +38,8 @@
     "@testing-library/jest-dom": "^6.0.0",
     "@testing-library/react": "^16.0.0",
     "@testing-library/user-event": "^14.4.3",
-    "@types/react": "^18.2.6",
-    "@types/react-dom": "^18.2.4",
+    "@types/react": "^19.0.0",
+    "@types/react-dom": "^19.0.0",
     "@vitest/coverage-v8": "^2.0.0",
     "@vitest/ui": "^2.0.0",
     "eslint": "^8.57.0",