REFACTOR: set ssv logs default value to 28 (#1990) #1452

Job	Run time
configure-updates (configure-updates, no-unattended-updates)	5m 45s
configure-updates (configure-updates, default)	5m 40s
restart-services (restart-services, default)	10m 12s
setup (setup, default)	8m 53s
switch-repos (switch-repos, default)	8m 33s
update-changes (update-changes, 221)	5m 47s
update-package (update-package, default)	7m 12s
update-changes (update-changes, 215)	6m 4s
upgrade-prep (upgrade-prep, default)	10m 44s
manage-service (manage-service, start-stop)	7m 27s
manage-service (manage-service, notifications)	9m 51s
manage-service (manage-service, start)	7m 33s
manage-service (manage-service, start-multiple)	7m 36s
manage-service (manage-service, write-start)	8m 50s
ssv-key-generator (ssv-key-generator, default)	8m 32s
update-services (update-services, single-service)	8m 4s
update-services (update-services, default)	8m 26s
update-stereum (update-stereum, full)	9m 44s
update-stereum (update-stereum, override)	9m 42s
update-stereum (update-stereum, default)	8m 47s
	2h 43m 22s

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