chore(frontend)(deps): bump the react group

Bumps the react group in /src/main/frontend with 2 updates: [react](https://github.com/facebook/react/tree/HEAD/packages/react) and [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom).


Updates `react` from 19.2.5 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)

Updates `react-dom` from 19.2.5 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
  dependency-version: 19.2.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: react
- dependency-name: react-dom
  dependency-version: 19.2.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: react
...

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

Author: dependabot[bot]

src/main/frontend/package-lock.json

@@ -14,8 +14,8 @@
   "dependencies": {
     "@ossrandom/design-system": "^0.3.0",
     "d3-hierarchy": "^3.1.2",
-    "react": "^19.2.5",
-    "react-dom": "^19.2.5",
+    "react": "^19.2.6",
+    "react-dom": "^19.2.6",
     "react-router-dom": "^7.1.5"
   },
   "overrides": {