Bumps [jetty-server](https://github.com/eclipse/jetty.project) from 9.4.8.v20171121 to 9.4.38.v20210224. - [Release notes](https://github.com/eclipse/jetty.project/releases) - [Commits](https://github.com/eclipse/jetty.project/compare/jetty-9.4.8.v20171121...jetty-9.4.38.v20210224) Signed-off-by: dependabot[bot] <support@github.com>