Bump jetty-server in /its/it-tests

Bumps [jetty-server](https://github.com/eclipse/jetty.project) from 9.4.41.v20210516 to 9.4.51.v20230217.
- [Release notes](https://github.com/eclipse/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-9.4.41.v20210516...jetty-9.4.51.v20230217)

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

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

Author: dependabot[bot]

its/it-tests/pom.xml

@@ -11,7 +11,7 @@
   <description>Integration tests</description>
 
   <properties>
-    <jetty.version>9.4.41.v20210516</jetty.version>
+    <jetty.version>9.4.51.v20230217</jetty.version>
     <logback.version>1.2.9</logback.version>
     <sonar.skip>true</sonar.skip>
     <skipTests>true</skipTests>