Set level of repetable logs to debug (#909) #3056

Job	Run time
lint_core	13s
Build frontend e2e test image	3m 18s
Build frontend unit test image	1m 7s
Build backend e2e test image	1m 56s
Lint mwdb-core web sources	47s
Build mwdb-core core image	3m 8s
Build mwdb-core web image	28s
Perform frontend unit tests	33s
Perform frontend e2e tests	3m 59s
Perform backend e2e tests	4m 34s
Push images on Docker Hub	3m 28s
Push test images on Docker Hub	47s
	24m 18s

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