Use std::numbers::pi replacing boost constants

Applications/Utils/GeoTools/addDataToRaster.cpp

GeoLib/Polygon.cpp

MaterialLib/MPL/Properties/Exponential.cpp

MeshToolsLib/MeshQuality/AngleSkewMetric.cpp

MeshToolsLib/MeshSurfaceExtraction.cpp

NumLib/Fem/FiniteElement/TemplateIsoparametric.h

ProcessLib/HeatTransportBHE/BHE/BHE_1P.cpp

ProcessLib/HeatTransportBHE/BHE/BHE_1U.cpp

ProcessLib/HeatTransportBHE/BHE/BHE_2U.cpp

ProcessLib/HeatTransportBHE/BHE/BoreholeGeometry.h

ProcessLib/HeatTransportBHE/BHE/Pipe.h

ProcessLib/HeatTransportBHE/BHE/ThermalResistancesCoaxial.h

ProcessLib/PhaseField/PhaseFieldFEM-impl.h

Tests/GeoLib/TestEquidistantPointGeneration.cpp

Tests/GeoLib/TestSurfaceIsPointInSurface.cpp

Tests/MaterialLib/TestGasPressureDependentPermeability.cpp

Tests/MaterialLib/TestStrainDependentPermeability.cpp

Tests/MeshLib/TestTetQualityCriteria.cpp

Tests/MeshLib/TestTriQualityCriteria.cpp

Tests/NumLib/ODEs.h