build(deps): bump react-dom and @types/react-dom

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 19.2.7
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/react/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v19.2.7/packages/react-dom)

Updates `@types/react-dom` from 18.3.7 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: "@types/react-dom"
  dependency-version: 19.2.3
  dependency-type: direct:development
  update-type: version-update:semver-major
- dependency-name: react-dom
  dependency-version: 19.2.6
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

client/package.json

@@ -14,7 +14,7 @@
     "lucide-react": "^1.14.0",
     "portos-ai-toolkit": "^0.8.4",
     "react": "^18.3.1",
-    "react-dom": "^18.3.1",
+    "react-dom": "^19.2.7",
     "react-hot-toast": "^2.6.0",
     "react-leaflet": "^4.2.1",
     "react-router-dom": "^7.16.0",
@@ -27,7 +27,7 @@
     "@types/d3": "^7.4.3",
     "@types/leaflet": "^1.9.21",
     "@types/react": "^18.3.28",
-    "@types/react-dom": "^18.3.7",
+    "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^6.0.2",
     "tailwindcss": "^4.3.1",
     "typescript": "^6.0.2",