Upgrade: [dependabot] - bump react-dom from 18.3.1 to 19.2.5

Bumps [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom) from 18.3.1 to 19.2.5.
- [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/v19.2.5/packages/react-dom)

---
updated-dependencies:
- dependency-name: react-dom
  dependency-version: 19.2.5
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -42,7 +42,7 @@
     "nhsuk-frontend": "^10.4.2",
     "nhsuk-react-components": "^5.0.0",
     "react": "^18.3.1",
-    "react-dom": "^18.3.1",
+    "react-dom": "^19.2.5",
     "style-loader": "^4.0.0",
     "styled-components": "^6.3.11",
     "webpack": "^5.106.1",