Lagrange Release v6.29.0

Infrastructure

• 🏗️ GCC 13 compilation fix
• 📌 Update ImGui
• 🏗️ Various warning fixes

Core module

• 🎨 Add SurfaceMesh support for remove_degenerate_facets and compute_mesh_covariance
• 🐍 Add python binding for orient_outward and thicken_and_close_mesh

Poisson module

• 🎨 Support colored point cloud