Bump react from 19.2.0 to 19.2.1 in /ui

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) from 19.2.0 to 19.2.1.
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v19.2.1/packages/react)

---
updated-dependencies:
- dependency-name: react
  dependency-version: 19.2.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

ui/package.json

@@ -36,7 +36,7 @@
     "immer": "^11.0.1",
     "lucide-react": "^0.555.0",
     "next-themes": "^0.4.6",
-    "react": "^19.2.0",
+    "react": "^19.2.1",
     "react-router": "^7.10.0",
     "react-dom": "^19.2.0",
     "react-hook-form": "^7.67.0",

ui/yarn.lock

@@ -4130,10 +4130,10 @@ react-style-singleton@^2.2.2, react-style-singleton@^2.2.3:
     get-nonce "^1.0.0"
     tslib "^2.0.0"
 
-react@^19.2.0:
-  version "19.2.0"
-  resolved "https://registry.yarnpkg.com/react/-/react-19.2.0.tgz#d33dd1721698f4376ae57a54098cb47fc75d93a5"
-  integrity sha512-tmbWg6W31tQLeB5cdIBOicJDJRR2KzXsV7uSK9iNfLWQ5bIZfxuPEHp7M8wiHyHnn0DD1i7w3Zmin0FtkrwoCQ==
+react@^19.2.1:
+  version "19.2.1"
+  resolved "https://registry.yarnpkg.com/react/-/react-19.2.1.tgz#8600fa205e58e2e807f6ef431c9f6492591a2700"
+  integrity sha512-DGrYcCWK7tvYMnWh79yrPHt+vdx9tY+1gPZa7nJQtO/p8bLTDaHp4dzwEhQB7pZ4Xe3ok4XKuEPrVuc+wlpkmw==
 
 readdirp@~3.6.0:
   version "3.6.0"