[MNG-8406] Proper IT isolation #8326

Job	Run time
initial-build	3m 28s
full-build (ubuntu-latest, 17)	9m 55s
integration-tests (ubuntu-latest, 17)	12m 53s
full-build (ubuntu-latest, 21)	10m 21s
integration-tests (ubuntu-latest, 21)	13m 36s
full-build (macos-latest, 17)	8m 6s
integration-tests (macos-latest, 17)	12m 38s
full-build (macos-latest, 21)	7m 50s
integration-tests (macos-latest, 21)	10m 58s
full-build (windows-latest, 17)	14m 40s
integration-tests (windows-latest, 17)	19m 37s
integration-tests (windows-latest, 21)	19m 36s
full-build (windows-latest, 21)	13m 21s
	2h 36m 59s

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