fix(deps): update react monorepo to v19

Author: renovate[bot]

package.json

@@ -18,10 +18,10 @@
     "next": "15.5.3",
     "query-string": "7.1.3",
     "radix-ui": "1.4.3",
-    "react": "18.3.1",
+    "react": "19.2.0",
     "react-ace": "14.0.1",
     "react-countdown": "^2.3.5",
-    "react-dom": "18.3.1",
+    "react-dom": "19.2.0",
     "react-hook-form": "7.63.0",
     "sass": "1.93.0",
     "slugify": "1.6.6",
@@ -33,7 +33,7 @@
   },
   "devDependencies": {
     "@types/node": "22.18.6",
-    "@types/react": "18.3.24",
+    "@types/react": "19.1.17",
     "@typescript-eslint/eslint-plugin": "^7.2.0",
     "@typescript-eslint/parser": "^7.2.0",
     "eslint": "8.57.1",