chore(deps): bump react-dom from 19.2.0 to 19.2.6 in /ui/mobile (#463)

Bumps [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom) from 19.2.0 to 19.2.6.
- [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/v19.2.6/packages/react-dom)

---
updated-dependencies:
- dependency-name: react-dom
  dependency-version: 19.2.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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ui/mobile/package.json

@@ -20,7 +20,7 @@
     "expo": "~55.0.4",
     "expo-status-bar": "~55.0.4",
     "react": "19.2.0",
-    "react-dom": "19.2.0",
+    "react-dom": "19.2.6",
     "react-native": "0.85.2",
     "react-native-gesture-handler": "~2.30.0",
     "react-native-reanimated": "4.2.1",