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 19.1.0
- [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/v19.1.0/packages/react-dom)

Updates `@types/react-dom` from 18.3.7 to 19.1.6
- [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: 19.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/react-dom"
  dependency-version: 19.1.6
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -71,7 +71,7 @@
     "@types/jest": "^30.0.0",
     "@types/node": "^24.1.0",
     "@types/react": "^18.3.23",
-    "@types/react-dom": "^18.3.7",
+    "@types/react-dom": "^19.1.6",
     "@types/react-helmet": "^6.1.11",
     "@types/react-lottie": "^1.2.10",
     "@types/react-syntax-highlighter": "^15.5.13",
@@ -135,7 +135,7 @@
     "posthog-js": "^1.257.2",
     "react": "^18.3.1",
     "react-cool-dimensions": "^3.0.1",
-    "react-dom": "^18.3.1",
+    "react-dom": "^19.1.0",
     "react-dropzone": "^14.3.8",
     "react-error-boundary": "^6.0.0",
     "react-helmet": "^6.1.0",