chore: Bump release to 3.0.0-beta.5 #802

Job	Run time
build-package (bbb-apps-akka)	5m 4s
build-package (bbb-config)	3m 35s
build-package (bbb-export-annotations)	1m 41s
build-package (bbb-learning-dashboard)	2m 8s
build-package (bbb-playback-record)	3m 5s
build-package (bbb-graphql-server)	2m 51s
build-package (bbb-etherpad)	2m 28s
build-package (bbb-web)	7m 12s
build-package (bbb-fsesl-akka)	4m 32s
build-package (bbb-html5)	3m 6s
build-package (bbb-freeswitch)	4m 59s
build-package (bbb-webrtc)	7m 52s
build-package (others)	2m 6s
install-and-run-tests	0s
upload-report	14s
	50m 53s

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