Bump jetty-server from 9.4.21.v20190926 to 9.4.51.v20230217#6

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dependabot/maven/org.eclipse.jetty-jetty-server-9.4.51.v20230217doronrosenberg/guiceexample:dependabot/maven/org.eclipse.jetty-jetty-server-9.4.51.v20230217Copy head branch name to clipboard