Update react monorepo to ^19.1.6

Author: renovate[bot]

package-lock.json

@@ -18,8 +18,8 @@
   },
   "devDependencies": {
     "@types/node": "22.15.21",
-    "@types/react": "^19.1.2",
-    "@types/react-dom": "^19.1.2",
+    "@types/react": "^19.1.6",
+    "@types/react-dom": "^19.1.6",
     "typescript": "^5.8.3",
     "@types/mdx": "^2.0.13",
     "@tailwindcss/postcss": "^4.1.4",