Update jetty-server to 11.0.3

[scala-steward]

Updates org.eclipse.jetty:jetty-server from 9.4.41.v20210516 to 11.0.3.

I'll automatically update this PR to resolve conflicts as long as you don't change it yourself.

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Ignore future updates

Add this to your .scala-steward.conf file to ignore future updates of this dependency:

updates.ignore = [ { groupId = "org.eclipse.jetty", artifactId = "jetty-server" } ]

labels: library-update