Labelcloud

What's Changed
* Fix OpenGL buffer issue for Windows systems by ch-sa in https://github.com/ch-sa/labelCloud/pull/69
* Drop special handling of PyQt5 for windows systems
* Update github workflow

**Full Changelog**: https://github.com/ch-sa/labelCloud/compare/v0.7.5...v0.7.6

What's Changed
* Add point cloud handlers by ch-sa in https://github.com/ch-sa/labelCloud/pull/63
* Introduce `io` module for import and export
* Introduce abstract point cloud handler
* Support writing rotated point clouds in binary format (via numpy)
* Improve log writing and formatting


**Full Changelog**: https://github.com/ch-sa/labelCloud/compare/v0.7.4...v0.7.5

What's Changed
* Fix point cloud getter by ch-sa in https://github.com/ch-sa/labelCloud/pull/61


**Full Changelog**: https://github.com/ch-sa/labelCloud/compare/v0.7.3...v0.7.4

What's Changed
* Set label_folder as Path by ch-sa in https://github.com/ch-sa/labelCloud/pull/58


**Full Changelog**: https://github.com/ch-sa/labelCloud/compare/v0.7.2...v0.7.3

What's Changed
* Fix icon point cloud path by ch-sa in https://github.com/ch-sa/labelCloud/pull/56


**Full Changelog**: https://github.com/ch-sa/labelCloud/compare/v0.7.1...v0.7.2

What's Changed
* Use Path in dialogs by ch-sa in https://github.com/ch-sa/labelCloud/pull/55
* Drop point cloud points with nan values


**Full Changelog**: https://github.com/ch-sa/labelCloud/compare/v0.7.0...v0.7.1