upgrade react (#209)

Author: ctate

package.json

@@ -57,8 +57,8 @@
     "next": "16.0.0",
     "next-themes": "^0.4.6",
     "postgres": "^3.4.7",
-    "react": "19.1.0",
-    "react-dom": "19.1.0",
+    "react": "19.1.2",
+    "react-dom": "19.1.2",
     "sonner": "^2.0.7",
     "streamdown": "^1.6.8",
     "tailwind-merge": "^3.3.1",