Bump bouncycastle.version from 1.79 to 1.80 #944

Job	Run time
build (ubuntu-latest, 17, Client, false)	5m 38s
build (ubuntu-latest, 17, Server, false)	17m 1s
build (ubuntu-latest, 17, Core, false)	9m 13s
build (ubuntu-latest, 17, External, false)	10m 44s
build (ubuntu-latest, 17, Check-Updated-License-Files, false)	3m 56s
build (ubuntu-latest, 17, Integration-Test, false)	4m 59s
build (ubuntu-latest, 21, Client, false)	6m 11s
build (ubuntu-latest, 21, Server, false)	17m 2s
build (ubuntu-latest, 21, Core, false)	9m 34s
build (ubuntu-latest, 21, External, false)	10m 8s
build (ubuntu-latest, 21, Check-Updated-License-Files, false)	3m 44s
build (ubuntu-latest, 21, Integration-Test, false)	5m 18s
	1h 43m 28s

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