Bump org.apache.maven.plugins:maven-shade-plugin from 3.1.1 to 3.6.0 #704

Job	Run time
build (ubuntu-latest, 11, Client, false)	10m 10s
build (ubuntu-latest, 11, Server, false)	22m 4s
build (ubuntu-latest, 11, Core, false)	12m 26s
build (ubuntu-latest, 11, External, false)	45m 27s
build (ubuntu-latest, 11, Check-Updated-License-Files, false)	6m 24s
build (ubuntu-latest, 11, Integration-Test, false)	9m 30s
build (ubuntu-latest, 17, Client, false)	9m 30s
build (ubuntu-latest, 17, Server, false)	19m 35s
build (ubuntu-latest, 17, Core, false)	13m 49s
build (ubuntu-latest, 17, External, false)	14m 39s
build (ubuntu-latest, 17, Check-Updated-License-Files, false)	8m 18s
build (ubuntu-latest, 17, Integration-Test, false)	9m 25s
build (ubuntu-latest, 21, Client, false)	9m 4s
build (ubuntu-latest, 21, Server, false)	21m 26s
build (ubuntu-latest, 21, Core, false)	13m 47s
build (ubuntu-latest, 21, External, false)	15m 16s
build (ubuntu-latest, 21, Check-Updated-License-Files, false)	8m 37s
build (ubuntu-latest, 21, Integration-Test, false)	9m 40s
	4h 19m 7s

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