Pset_ConcreteElementGeneral should be applicable to IfcKerb

The semantic definition of IfcKerb [1] states

> A border of stone, concrete or other rigid material formed at the edge of the carriageway or footway.

The semantic definition of Pset_ConcreteElementGeneral [2] states

> General properties common to different types of concrete elements, including reinforced concrete elements.

Therefore, IfcKerb and IfcKerbType should be included in the list of Applicable Elements for Pset_ConcreteElementGeneral.

[1] https://ifc43-docs.standards.buildingsmart.org/IFC/RELEASE/IFC4x3/HTML/lexical/IfcKerb.htm
[2] https://ifc43-docs.standards.buildingsmart.org/IFC/RELEASE/IFC4x3/HTML/lexical/Pset_ConcreteElementGeneral.htm

Start by locating the Pset_ConcreteElementGeneral definition and its Applicable Elements list, then compare it with the IfcKerb and IfcKerbType definitions linked in the issue. Done means both entities are listed as applicable and the specification validation or generation checks pass, if present.

Written by the indexing model from the issue text.