[maven-release-plugin] prepare release v2.7.0 #664

Job	Run time
build (ubuntu-latest, 11, Client, false)	7m 41s
build (ubuntu-latest, 11, Server, false)	19m 23s
build (ubuntu-latest, 11, Core, false)	11m 12s
build (ubuntu-latest, 11, External, false)	12m 58s
build (ubuntu-latest, 11, Check-Updated-License-Files, false)	5m 51s
build (ubuntu-latest, 11, Integration-Test, false)	6m 50s
build (ubuntu-latest, 17, Client, false)	7m 30s
build (ubuntu-latest, 17, Server, false)	19m 4s
build (ubuntu-latest, 17, Core, false)	10m 51s
build (ubuntu-latest, 17, External, false)	12m 4s
build (ubuntu-latest, 17, Check-Updated-License-Files, false)	6m 50s
build (ubuntu-latest, 17, Integration-Test, false)	6m 34s
build (ubuntu-latest, 21, Client, false)	7m 19s
build (ubuntu-latest, 21, Server, false)	18m 35s
build (ubuntu-latest, 21, Core, false)	10m 33s
build (ubuntu-latest, 21, External, false)	11m 48s
build (ubuntu-latest, 21, Check-Updated-License-Files, false)	5m 38s
build (ubuntu-latest, 21, Integration-Test, false)	6m 23s
	3h 7m 4s

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