Bump jetty in /src/test/resources/projects/project-53-MECLIPSE-551

Bumps jetty from 6.1.4 to 6.1.23.

---
updated-dependencies:
- dependency-name: org.mortbay.jetty:jetty
  dependency-type: direct:production
...

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

Author: dependabot[bot]

src/test/resources/projects/project-53-MECLIPSE-551/pom.xml

@@ -130,6 +130,6 @@
   </build>
   <properties>
     <wicket.version>1.4-rc4</wicket.version>
-    <jetty.version>6.1.4</jetty.version>
+    <jetty.version>6.1.23</jetty.version>
   </properties>
   </project>