[CI/CD][Tests] Added KiCad 8 #2104

Job	Run time
test_indep	3m 29s
test (ki5, g1)	5m 14s
test (ki5, g2)	3m 40s
test (ki5, g3)	2m 56s
test (ki6, g1)	5m 21s
test (ki6, g2)	5m 36s
test (ki6, g3)	4m 22s
test (ki7, g1)	5m 54s
test (ki7, g2)	6m 41s
test (ki7, g3)	5m 32s
test (ki8, g1)	5m 40s
test (ki8, g2)	6m 38s
test (ki8, g3)	5m 55s
Consolidate coverage data	0s
Triggers the docker images creation	0s
Finish Coveralls	0s
	1h 6m 58s

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