Upgrade: [dependabot] - bump react and @types/react

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

Updates `react` from 18.3.1 to 19.2.1
- [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/v19.2.1/packages/react)

Updates `@types/react` from 18.3.1 to 19.2.7
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

---
updated-dependencies:
- dependency-name: react
  dependency-version: 19.2.1
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/react"
  dependency-version: 19.2.7
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -21,7 +21,7 @@
     "nhsuk-frontend": "9.6.4",
     "nhsuk-react-components": "^5.0.0",
     "pino": "^10.1.0",
-    "react": "18.3.1",
+    "react": "19.2.1",
     "react-dom": "18.3.1",
     "react-router-dom": "6.30.1",
     "sass": "^1.94.2"
@@ -33,7 +33,7 @@
     "@testing-library/react": "^16.3.0",
     "@testing-library/user-event": "^14.5.2",
     "@types/govuk-frontend": "^5.11.0",
-    "@types/react": "18.3.1",
+    "@types/react": "19.2.7",
     "@types/react-dom": "18.3.1",
     "@vitejs/plugin-react-swc": "^4.2.2",
     "axios-mock-adapter": "^2.1.0",