Bump jetty.version from 9.1.5.v20140505 to 9.4.22.v20191022
Bump jetty.version from 9.1.5.v20140505 to 9.4.22.v20191022

Bumps `jetty.version` from 9.1.5.v20140505 to 9.4.22.v20191022.

Updates `jetty-server` from 9.1.5.v20140505 to 9.4.22.v20191022
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](https://github.com/eclipse/jetty.project/compare/jetty-9.1.5.v20140505...jetty-9.4.22.v20191022)

Updates `jetty-servlet` from 9.1.5.v20140505 to 9.4.22.v20191022
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](https://github.com/eclipse/jetty.project/compare/jetty-9.1.5.v20140505...jetty-9.4.22.v20191022)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
SUNET/eduid-mm-service