feat: functionality improvements to util script #629

Job	Run time
run_ci (ubuntu-20.04, 3.11, discovery+lms+forum)	22m 16s
run_ci (ubuntu-20.04, 3.11, registrar+lms)	17m 29s
run_ci (ubuntu-20.04, 3.11, ecommerce+lms)	22m 8s
run_ci (ubuntu-20.04, 3.11, edx_notes_api+lms)	17m 57s
run_ci (ubuntu-20.04, 3.11, credentials+lms)	18m 13s
run_ci (ubuntu-20.04, 3.11, xqueue)	3m 9s
run_ci (ubuntu-20.04, 3.11, analyticsapi+insights+lms)	22m 31s
run_ci (ubuntu-20.04, 3.11, designer+lms)	17m 55s
run_ci (ubuntu-20.04, 3.11, enterprise-catalog+enterprise-access+lms)	23m 20s
run_ci (ubuntu-20.04, 3.11, license-manager+lms)	19m 31s
	3h 4m 29s

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