fix(deps): update react monorepo to v19

Author: renovate[bot]

package-lock.json

@@ -28,8 +28,8 @@
     "nextjs-google-analytics": "^2.3.3",
     "nextra": "^2.13.2",
     "nextra-theme-docs": "^2.13.2",
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1"
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0"
   },
   "devDependencies": {
     "@types/node": "22.10.1",