Bump io.netty:netty-all from 4.2.0.Final to 4.2.1.Final#323

mfvanek merged 1 commit intomastermfvanek/java-experiments:masterfrom

dependabot/gradle/io.netty-netty-all-4.2.1.Finalmfvanek/java-experiments:dependabot/gradle/io.netty-netty-all-4.2.1.FinalCopy head branch name to clipboard