chore(deps): update github actions to v1.6.0 #2144

Job	Run time
Promote tools	6s
Cleanup and Images / vars	4s
Remove database and user / Cleanup tools environment	2m 50s
Cleanup and Images / OpenShift	26s
Cleanup and Images / Retags (frontend)	5s
Cleanup and Images / Retags (database)	5s
Cleanup and Images / Retags (processor)	3s
Cleanup and Images / Retags (legacy)	5s
Cleanup and Images / Retags (backend)	5s
	3m 49s

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