Bump jetty.version in /outofmemory

Bumps `jetty.version` from 9.2.13.v20150730 to 9.4.24.v20191120.

Updates `jetty-server` from 9.2.13.v20150730 to 9.4.24.v20191120
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-9.2.13.v20150730...jetty-9.4.24.v20191120)

Updates `jetty-servlet` from 9.2.13.v20150730 to 9.4.24.v20191120
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-9.2.13.v20150730...jetty-9.4.24.v20191120)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

outofmemory/pom.xml

@@ -9,7 +9,7 @@
     <version>1.0-SNAPSHOT</version>
 
     <properties>
-        <jetty.version>9.2.13.v20150730</jetty.version>
+        <jetty.version>9.4.24.v20191120</jetty.version>
         <java.xms>5m</java.xms>
         <java.xmx>40m</java.xmx>
         <java.memory.opts>-Xms${java.xms} -Xmx${java.xmx}</java.memory.opts>