Run E2E tests

updates upload-artifact to use v3 over deprecated v2 #5

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Run time

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Job	Run time
cas2_e2e_tests	3s
cas1_e2e_tests (1)	2s
cas1_e2e_tests (2)	2s
cas1_e2e_tests (3)	1s
cas1_e2e_tests (4)	1s
	9s