Bump jetty-server from 9.4.14.v20181114 to 9.4.29.v20200521#280

dependabot-preview[bot] wants to merge 1 commit intomasterngocbd/pokerserver:masterfrom

dependabot/gradle/org.eclipse.jetty-jetty-server-9.4.29.v20200521ngocbd/pokerserver:dependabot/gradle/org.eclipse.jetty-jetty-server-9.4.29.v20200521Copy head branch name to clipboard