update OMP for SISSORegressor

src/classification/SVMWrapper.cpp

src/classification/SVMWrapper.hpp

src/descriptor_identifier/SISSO_DI/SISSOClassifier.cpp

src/descriptor_identifier/SISSO_DI/SISSOClassifier.hpp

src/descriptor_identifier/SISSO_DI/SISSORegressor.cpp

src/descriptor_identifier/SISSO_DI/SISSORegressor.hpp

src/feature_creation/feature_space/FeatureSpace.cpp

src/utils/project.cpp