New branching scheme #162

Job	Run time
Run tests (ubuntu-20.04, true, sudo apt install -y -qq gfortran liblapack-dev libmetis-dev libnau...	14m 57s
Run tests (ubuntu-20.04, false, sudo apt install -y -qq gfortran liblapack-dev libmetis-dev libna...	10m 38s
Run tests (ubuntu-22.04, true, sudo apt install -y -qq gfortran liblapack-dev libmetis-dev libnau...	11m 23s
Run tests (ubuntu-22.04, false, sudo apt install -y -qq gfortran liblapack-dev libmetis-dev libna...	13m 39s
Run tests (macos-12, false, brew install metis bash, CC=clang OSX=12)	16m 38s
Run tests (macos-12, false, brew install metis bash, CC=gcc-11 CXX=g++-11 OSX=12)	22m 3s
Run tests (macos-12, false, brew install metis bash, CC=gcc-12 CXX=g++-12 OSX=12)	25m 56s
	1h 55m 14s

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