Bump actions/setup-go from 4 to 5 #156

Job	Run time
qe-testing (accesscontrol)	28m 41s
qe-testing (affiliatedcertification)	11m 42s
qe-testing (manageability)	11m 25s
qe-testing (networking)	19m 41s
qe-testing (lifecycle)	29m 29s
qe-testing (performance)	13m 23s
qe-testing (platformalteration)	12m 3s
qe-testing (observability)	16m 50s
qe-testing (operator)	11m 23s
	2h 34m 37s

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