Bump react-dom and @types/react-dom in /docs/landing-page

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

Updates `react-dom` from 18.3.1 to 19.2.0
- [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/v19.2.0/packages/react-dom)

Updates `@types/react-dom` from 18.3.1 to 19.2.3
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react-dom)

---
updated-dependencies:
- dependency-name: react-dom
  dependency-version: 19.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/react-dom"
  dependency-version: 19.2.3
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

docs/landing-page/package-lock.json

@@ -28,7 +28,7 @@
     "i18next-http-backend": "^2.6.2",
     "lucide-react": "^0.553.0",
     "react": "^18.3.1",
-    "react-dom": "^18.3.1",
+    "react-dom": "^19.2.0",
     "react-i18next": "^15.1.0",
     "tailwind-merge": "^2.5.4",
     "tailwindcss-animate": "^1.0.7"
@@ -47,7 +47,7 @@
     "@storybook/test": "^8.6.14",
     "@types/node": "^22.7.7",
     "@types/react": "^18.3.10",
-    "@types/react-dom": "^18.3.0",
+    "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^4.3.4",
     "autoprefixer": "^10.4.22",
     "eslint": "^9.39.1",