Add pyiron_workflow test (#156) #384

Job	Run time
pip_check	52s
quantumespresso	26m 58s
black	13s
arithmetic	2m 15s
documentation	46s
unittest_matrix (ubuntu-latest, 3.12)	57s
unittest_matrix (ubuntu-latest, 3.11)	59s
unittest_matrix (macos-latest, 3.12)	1m 56s
nfdi4ing	7m 4s
coverage	1m 8s
	43m 8s

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