Set service_job_number instead of flag_name
Set service_job_number instead of flag_name

See https://github.com/lemurheavy/coveralls-public/issues/1341#issuecomment-611676566

hpi-swa/smalltalkCI,hpi-swa/filetreeCI,hpi-swa/filetreeCI,fniephaus/filetreeCI,fniephaus/filetreeCI,hpi-swa/filetreeCI,hpi-swa/smalltalkCI,fniephaus/filetreeCI