Bump jetty-server from 7.4.2.v20110526 to 9.4.41.v20210516 in /demo-server#11

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dependabot/maven/demo-server/org.eclipse.jetty-jetty-server-9.4.41.v20210516nmorel/flatpack-java:dependabot/maven/demo-server/org.eclipse.jetty-jetty-server-9.4.41.v20210516Copy head branch name to clipboard