release notes for v1.0.2 #606

Job	Run time
Compile Benchmarks	1m 16s
Checks	1m 40s
sbt scripted tests (gen-scala-server, 2.12)	7m 41s
Compile and test (2.12.18, 8)	3m 29s
sbt scripted tests (gen-java, 2.12)	3m 7s
Compile and test (2.12.18, 11)	3m 26s
Compile and test (2.13.11, 8)	4m 12s
Compile and test (2.13.11, 11)	4m 3s
Docs	2m 33s
Gradle tests	3m 31s
Compile and test (3.3.1, 8)	5m 31s
Maven tests	3m 1s
Compile and test (3.3.1, 11)	4m 22s
	47m 52s

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