fix(deps): update react monorepo to v19

Author: renovate[bot]

frontend/package.json

@@ -11,13 +11,13 @@
   "dependencies": {
     "@vercel/analytics": "^1.4.1",
     "next": "^13.5.11",
-    "react": "^18.3.1",
+    "react": "^19.0.0",
     "react-bootstrap": "2.10.10",
-    "react-dom": "^18.3.1"
+    "react-dom": "^19.0.0"
   },
   "devDependencies": {
     "@types/node": "22.10.10",
-    "@types/react": "18.3.12",
+    "@types/react": "19.2.3",
     "eslint": "8.57.1",
     "eslint-config-next": "^13.5.7",
     "typescript": "5.9.3"