Bump io.netty:netty-all from 4.2.7.Final to 4.2.9.Final#396

mfvanek merged 1 commit intomastermfvanek/java-experiments:masterfrom

dependabot/gradle/io.netty-netty-all-4.2.9.Finalmfvanek/java-experiments:dependabot/gradle/io.netty-netty-all-4.2.9.FinalCopy head branch name to clipboard