Bump jetty-server from 7.2.0.v20101020 to 9.4.41.v20210516 in /memcloud-dns#14

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dependabot/maven/memcloud-dns/org.eclipse.jetty-jetty-server-9.4.41.v20210516downgoon/memcloud:dependabot/maven/memcloud-dns/org.eclipse.jetty-jetty-server-9.4.41.v20210516Copy head branch name to clipboard