skip the generation of Benders binary cut if the bigM problem is unbo… #174

Job	Run time
Run tests (ubuntu-20.04, true, sudo apt install -y -qq gfortran liblapack-dev libmetis-dev libnau...	10m 41s
Run tests (ubuntu-20.04, false, sudo apt install -y -qq gfortran liblapack-dev libmetis-dev libna...	13m 44s
Run tests (ubuntu-22.04, true, sudo apt install -y -qq gfortran liblapack-dev libmetis-dev libnau...	12m 23s
Run tests (ubuntu-22.04, false, sudo apt install -y -qq gfortran liblapack-dev libmetis-dev libna...	11m 23s
Run tests (macos-12, false, brew install metis bash, CC=clang OSX=12)	18m 24s
Run tests (macos-12, false, brew install metis bash, CC=gcc-11 CXX=g++-11 OSX=12)	25m 15s
Run tests (macos-12, false, brew install metis bash, CC=gcc-12 CXX=g++-12 OSX=12)	20m 24s
	1h 52m 14s

Provide feedback