Bump @types/d3-hierarchy from 1.1.2 to 1.1.6 in /visualization
Bump @types/d3-hierarchy from 1.1.2 to 1.1.6 in /visualization

Bumps [@types/d3-hierarchy](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/d3-hierarchy) from 1.1.2 to 1.1.6.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/d3-hierarchy)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
MaibornWolff/codecharta,MaibornWolff/codecharta,MaibornWolff/codecharta,MaibornWolff/codecharta,MaibornWolff/codecharta,MaibornWolff/codecharta,MaibornWolff/codecharta,MaibornWolff/codecharta