Bump react and react-dom

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) and [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom). These dependencies needed to be updated together.

Updates `react` from 18.3.1 to 19.0.0
- [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/v19.0.0/packages/react)

Updates `react-dom` from 18.3.1 to 19.0.0
- [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/v19.0.0/packages/react-dom)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -75,10 +75,10 @@
     "postcss-loader": "8.1.1",
     "postcss-url": "10.1.3",
     "prettier": "3.4.2",
-    "react": "18.3.1",
+    "react": "19.0.0",
     "react-beautiful-dnd": "13.1.1",
     "react-colorful": "^5.6.1",
-    "react-dom": "18.3.1",
+    "react-dom": "19.0.0",
     "react-merge-refs": "2.1.1",
     "react-string-replace": "1.1.1",
     "reconnecting-eventsource": "^1.6.3",