Update jetty-server, jetty-util to 12.1.5

Author: scala-steward-bot

project/Dependencies.scala

@@ -30,7 +30,7 @@ object Dependencies {
   val jerseyServlet = "com.sun.jersey" % "jersey-servlet" % jerseyCore.revision
   val jerseyGuice = "com.sun.jersey.contribs" % "jersey-guice" % jerseyCore.revision
   val jerseyServer = "com.sun.jersey" % "jersey-server" % jerseyCore.revision
-  val jettyServer = "org.eclipse.jetty" % "jetty-server" % "11.0.26"
+  val jettyServer = "org.eclipse.jetty" % "jetty-server" % "12.1.5"
   val jettyWebapp = jettyServer.withName("jetty-webapp")
   val jettyUtil = jettyServer.withName("jetty-util")