Update doap_Storm.rdf for 2.8.0 release #947

Job	Run time
build (ubuntu-latest, 17, Client, false)	6m 53s
build (ubuntu-latest, 17, Server, false)	16m 29s
build (ubuntu-latest, 17, Core, false)	9m 29s
build (ubuntu-latest, 17, External, false)	10m 25s
build (ubuntu-latest, 17, Check-Updated-License-Files, false)	4m 27s
build (ubuntu-latest, 17, Integration-Test, false)	5m 5s
build (ubuntu-latest, 21, Client, false)	6m 21s
build (ubuntu-latest, 21, Server, false)	17m 22s
build (ubuntu-latest, 21, Core, false)	9m 45s
build (ubuntu-latest, 21, External, false)	10m 34s
build (ubuntu-latest, 21, Check-Updated-License-Files, false)	4m 14s
build (ubuntu-latest, 21, Integration-Test, false)	5m 35s
	1h 46m 39s

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