Integrate .sh scripts to Go tests, replacing native Go implementation #53

Job	Run time
dynamic-matrix	1s
cluster-creation	28m 1s
cluster-configuration	9m 10s
operational-procedure (10.4.6) / deploy	20m 28s
operational-procedure (9.4.5) / deploy	16m 47s
operational-procedure (OLD.11.1.0) / deploy	20m 37s
operational-procedure (11.1.0) / deploy	19m 40s
tf-teardown	13m 31s
notify-on-failure	1s
	2h 8m 16s

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