Restart NASSL worker every hour to solve memory issues #889

Job	Run time
build-docker (internet.nl, docker/Dockerfile, app)	52s
build-docker (unbound, docker/Dockerfile, unbound)	43s
build-docker (linttest, docker/Dockerfile, linttest)	1m 43s
build-docker (test-runner, docker/test-runner.Dockerfile)	1m 12s
build-docker (webserver, docker/webserver.Dockerfile)	52s
build-docker (rabbitmq, docker/rabbitmq.Dockerfile)	43s
build-docker (grafana, docker/grafana.Dockerfile)	50s
build-docker (prometheus, docker/prometheus.Dockerfile)	48s
build-docker (cron, docker/cron.Dockerfile)	43s
docs	1s
development-environment-test	2m 7s
lint/check	47s
integration-test	2m 57s
test	2m 17s
	16m 35s

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