refactor (gql-server): Create dedicated postgres users for each appli… #805

Job	Run time
build-package (bbb-apps-akka)	5m 13s
build-package (bbb-config)	1m 36s
build-package (bbb-export-annotations)	40s
build-package (bbb-learning-dashboard)	41s
build-package (bbb-playback-record)	3m 11s
build-package (bbb-graphql-server)	2m 48s
build-package (bbb-etherpad)	45s
build-package (bbb-web)	48s
build-package (bbb-fsesl-akka)	45s
build-package (bbb-html5)	3m 4s
build-package (bbb-freeswitch)	5m 37s
build-package (bbb-webrtc)	48s
build-package (others)	2m 11s
install-and-run-tests (1)	15m 29s
install-and-run-tests (2)	16m 28s
install-and-run-tests (3)	12m 39s
install-and-run-tests (4)	11m 16s
install-and-run-tests (5)	12m 15s
install-and-run-tests (6)	15m 8s
install-and-run-tests (7)	16m 45s
install-and-run-tests (8)	13m 59s
upload-report	1m 57s
	2h 24m 3s

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