SLO

feat: add YDB Query Service client #169

Job	Run time
test-slo / obtain-mutex	17m 31s
test-slo / create-cluster	2m 13s
test-slo / build-workload / build-nodejs	1m 9s
test-slo / create-tables	21s
test-slo / run-workload / run-errors-scheduler	2m 42s
test-slo / run-workload / run-workload	4m 3s
test-slo / grafana-screenshot	19s
test-slo / delete-cluster	12s
test-slo / check-results / get-metrics	13s
test-slo / release-mutex	10s
test-slo / check-results / set-checks-status (check_0)	3s
test-slo / check-results / set-checks-status (check_1)	3s
test-slo / check-results / set-checks-status (check_2)	5s
test-slo / check-results / set-checks-status (check_3)	5s
test-slo / check-results / set-checks-status (check_4)	3s
test-slo / check-results / set-checks-status (check_5)	3s
test-slo / check-results / set-checks-status (check_6)	7s
test-slo / check-results / set-checks-status (check_7)	3s
	29m 25s

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