Merge branch 'master' into L2SS-873

.gitlab-ci.yml

docker-compose/tango-prometheus-exporter/code/__init__.py

docker-compose/tango-prometheus-exporter/lofar2-policy.json

tangostationcontrol/requirements.txt

tangostationcontrol/setup.cfg

...ncontrol/tangostationcontrol/clients/statistics/client.py

...l/tangostationcontrol/clients/statistics/client_thread.py

...ontrol/tangostationcontrol/clients/statistics/consumer.py

tangostationcontrol/tangostationcontrol/devices/sdp/bst.py

...ostationcontrol/tangostationcontrol/devices/sdp/packet.py

tangostationcontrol/tangostationcontrol/devices/sdp/sst.py

...l/tangostationcontrol/devices/sdp/statistics_collector.py

tangostationcontrol/tangostationcontrol/devices/sdp/xst.py

...oncontrol/integration_test/default/prometheus/__init__.py

...n_test/default/prometheus/test_tango_prometheus_client.py

...oncontrol/integration_test/default/statistics/__init__.py

...ol/integration_test/default/statistics/test_writer_sst.py

...stationcontrol/tangostationcontrol/statistics/__init__.py

...tationcontrol/tangostationcontrol/statistics/collector.py

tangostationcontrol/tangostationcontrol/statistics/packet.py