build(deps): bump react-dom from 19.1.2 to 19.2.1 in /web (#3283)

Bumps [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom) from 19.1.2 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-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

web/package-lock.json

@@ -26,7 +26,7 @@
     "lucide-react": "^0.555.0",
     "openapi-fetch": "^0.15.0",
     "react": "^19.1.2",
-    "react-dom": "^19.1.2",
+    "react-dom": "^19.2.1",
     "react-markdown": "^10.1.0",
     "react-router-dom": "^7.9.6",
     "remark-gfm": "^4.0.1"