Bump react-dom from 18.3.1 to 19.1.0 in /wwwsrc

Bumps [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom) from 18.3.1 to 19.1.0.
- [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/v19.1.0/packages/react-dom)

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

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

Author: dependabot[bot]

wwwsrc/package.json

@@ -15,7 +15,7 @@
     "react-bootstrap": "^2.8.0",
     "react-bootstrap-icons": "^1.11.4",
     "react-chartjs-2": "^5.2.0",
-    "react-dom": "^18.3.1",
+    "react-dom": "^19.1.0",
     "react-input-slider": "^6.0.1",
     "react-router-dom": "^7.0.1",
     "react-scripts": "^5.0.1",