Bump org.apache.maven.plugins:maven-jxr-plugin from 3.2.0 to 3.6.0 #708

Job	Run time
build (ubuntu-latest, 11, Client, false)	10m 0s
build (ubuntu-latest, 11, Server, false)	19m 58s
build (ubuntu-latest, 11, Core, false)	13m 48s
build (ubuntu-latest, 11, External, false)	15m 0s
build (ubuntu-latest, 11, Check-Updated-License-Files, false)	8m 11s
build (ubuntu-latest, 11, Integration-Test, false)	8m 56s
build (ubuntu-latest, 17, Client, false)	9m 48s
build (ubuntu-latest, 17, Server, false)	19m 50s
build (ubuntu-latest, 17, Core, false)	13m 31s
build (ubuntu-latest, 17, External, false)	13m 27s
build (ubuntu-latest, 17, Check-Updated-License-Files, false)	6m 56s
build (ubuntu-latest, 17, Integration-Test, false)	9m 8s
build (ubuntu-latest, 21, Client, false)	8m 5s
build (ubuntu-latest, 21, Server, false)	20m 22s
build (ubuntu-latest, 21, Core, false)	13m 33s
build (ubuntu-latest, 21, External, false)	14m 47s
build (ubuntu-latest, 21, Check-Updated-License-Files, false)	6m 53s
build (ubuntu-latest, 21, Integration-Test, false)	9m 2s
	3h 41m 15s

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