Upgrade to Jetty 10.0.20 (#363)

Signed-off-by: Olivier Lamy <olamy@apache.org>

Author: olamy

pom.xml

@@ -19,7 +19,7 @@
   <properties>
     <revision>6.18</revision>
     <changelist>-SNAPSHOT</changelist>
-    <jetty.version>10.0.19</jetty.version>
+    <jetty.version>10.0.20</jetty.version>
     <slf4j.version>2.0.11</slf4j.version>
     <gitHubRepo>jenkinsci/winstone</gitHubRepo>
   </properties>