Bump io.netty:netty from 3.10.1.Final to 3.10.3.Final#16

dependabot[bot] wants to merge 1 commit intomastertypesafehub/netty-http-pipelining:masterfrom

dependabot/maven/io.netty-netty-3.10.3.Finaltypesafehub/netty-http-pipelining:dependabot/maven/io.netty-netty-3.10.3.FinalCopy head branch name to clipboard