Update jetty (#28)

diff --git a/pom.xml b/pom.xml
index cf8362f..b8f78e7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -67,7 +67,7 @@
     <caffeine.version>2.7.0</caffeine.version>
     <findbugs.annotations.version>1.0.0</findbugs.annotations.version>
     <forbiddenapis.version>2.6</forbiddenapis.version>
-    <jetty.version>9.4.19.v20190610</jetty.version>
+    <jetty.version>9.4.24.v20191120</jetty.version>
     <!-- The Jetty bundle exports are using version 9.4.5, not 9.4.5.v20170502... -->
     <jetty.bundle.version>9.4.19</jetty.bundle.version>
     <junit.version>4.12</junit.version>