Bump react-dom from 19.2.0 to 19.2.1 in /josh-ui

Bumps [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom) 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-dom)

---
updated-dependencies:
- dependency-name: react-dom
  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]

josh-ui/package-lock.json

@@ -15,7 +15,7 @@
     "graphql-request": "^7.3.5",
     "monaco-editor": "^0.55.1",
     "react": "^19.2.0",
-    "react-dom": "^19.2.0",
+    "react-dom": "^19.2.1",
     "react-icons": "^5.5.0",
     "react-router-dom": "^7.9.3",
     "sass": "^1.94.2",