PTFE-1981 handle cancelled build on same sha #816

Job	Run time
lint	31s
integration (tests-noqueue, QuickTest)	1m 46s
unit (utests)	1m 2s
integration (tests-noqueue, BuildFailedTest)	36s
unit (tests-api-mock)	1m 1s
integration (tests-noqueue, RepositoryTests)	36s
unit (tests-server)	1m 0s
integration (tests-noqueue, TestBertE)	5m 42s
integration (tests-noqueue, TestQueueing)	38s
integration (tests-noqueue, TaskQueueTests)	3m 34s
integration (tests, QuickTest)	1m 44s
integration (tests, BuildFailedTest)	42s
integration (tests, RepositoryTests)	32s
integration (tests, TestBertE)	7m 12s
integration (tests, TestQueueing)	5m 36s
integration (tests, TaskQueueTests)	3m 29s
	35m 41s

Provide feedback