Bump react from 18.2.0 to 18.3.0 in /uberpage

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) from 18.2.0 to 18.3.0.
- [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/HEAD/packages/react)

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

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

uberpage/package.json

@@ -6,7 +6,7 @@
   "private": true,
   "homepage": "https://stegschreck.github.io",
   "dependencies": {
-    "react": "^18.2.0",
+    "react": "^18.3.0",
     "react-dom": "^18.2.0",
     "react-scripts": "^5.0.1"
   },