chore(deps-dev): bump @types/react-loadable in /superset-frontend (#17454)

Bumps [@types/react-loadable](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react-loadable) from 5.5.4 to 5.5.6.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react-loadable)

---
updated-dependencies:
- dependency-name: "@types/react-loadable"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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