Fixing conda build

Handle null curve

Fixes #4

Fix github workflow

Fix github workflow

Fix conda build number with git describe

Change github workflow

Upstream version 7.7.2

Add github workflow

Fix github workflow

0032721: Modeling Algorithms - BOP wrong results on a cone and an ext…

…rusion

1. Modify method IntPatch_ALineToWLine::MakeWLine: add correction of end points of each line on 2 surfaces if an end point is a pole on a surface.
2. Modify method IntPatch_WLine::ComputeVertexParameters: adjust a point on curve to corresponding vertex the following way: set 3D point as the point of the vertex and 2D points as the points of the point on curve.