Bump netty4.version from 4.1.99.Final to 4.1.100.Final #4014

Job	Run time
build-all	1m 38s
build-java11	1m 28s
tests (driver, 8)	1m 12s
tests (server, 8)	3m 53s
tests (test, 8)	9m 37s
tests (inmemory, -Dtest.skip.tp=false, 8)	32m 35s
tests (berkeleyje, 8)	10m 37s
tests (lucene, 8)	5m 17s
tests (driver, -Pjava-11, 11)	1m 42s
tests (server, -Pjava-11, 11)	4m 7s
tests (test, -Pjava-11, 11)	9m 15s
tests (inmemory, -Pjava-11, -Dtest.skip.tp=false, 11)	33m 27s
tests (berkeleyje, -Pjava-11, 11)	10m 4s
tests (lucene, -Pjava-11, 11)	5m 0s
	2h 9m 52s

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