[Security] Bump jetty-server from 9.3.25.v20180904 to 9.4.12.v20180830#411

dependabot-preview[bot] wants to merge 1 commit intodevelopCSUC/ECHOES-Tools:developfrom

dependabot/maven/develop/org.eclipse.jetty-jetty-server-9.4.12.v20180830CSUC/ECHOES-Tools:dependabot/maven/develop/org.eclipse.jetty-jetty-server-9.4.12.v20180830Copy head branch name to clipboard