Bump netty-all from 4.1.36.Final to 4.1.42.Final in /spring-boot-2-nettyclient#8

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dependabot/maven/spring-boot-2-nettyclient/io.netty-netty-all-4.1.42.Finalclyhs/spring-boot-samples:dependabot/maven/spring-boot-2-nettyclient/io.netty-netty-all-4.1.42.FinalCopy head branch name to clipboard