FELIX-6223: update jetty version

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1874488 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/http/jetty/pom.xml b/http/jetty/pom.xml
index 09bae84..033e3ed 100644
--- a/http/jetty/pom.xml
+++ b/http/jetty/pom.xml
@@ -43,7 +43,7 @@
         <!-- Skip because of problems with Java 8 -->
         <animal.sniffer.skip>true</animal.sniffer.skip>
         <felix.java.version>8</felix.java.version>
-        <jetty.version>9.4.20.v20190813</jetty.version>
+        <jetty.version>9.4.26.v20200117</jetty.version>
     </properties>
 
     <build>