3.x: netty 4.1.115, grpc-java 1.65.1 #849

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Run time

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Job	Run time
checkstyle	3m 42s
archetypes (ubuntu-20.04)	21m 48s
copyright	3m 24s
build (ubuntu-20.04)	39m 5s
docs	3m 33s
examples (ubuntu-20.04)	11m 17s
packaging (ubuntu-20.04)	19m 11s
spotbugs	20m 24s
examples (macos-latest)	8m 55s
tck (ubuntu-20.04)	26m 15s
packaging (macos-latest)	20m 14s
	2h 57m 48s