Implement FindThirdPartyOpenGL with the cmake official module.
This fixes issue #218 (only tested on fedora but I'm confident as it mostly uses the cmake module to find OpenGL).
GitLab upgrade completed. Current version is 18.11.6
https://docs.gitlab.com/releases/18/gitlab-18-11-released/
This fixes issue #218 (only tested on fedora but I'm confident as it mostly uses the cmake module to find OpenGL).