Bump org.eclipse.jetty:jetty-bom

Bumps [org.eclipse.jetty:jetty-bom](https://github.com/jetty/jetty.project) from 9.4.54.v20240208 to 9.4.55.v20240627.
- [Release notes](https://github.com/jetty/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-9.4.54.v20240208...jetty-9.4.55.v20240627)

---
updated-dependencies:
- dependency-name: org.eclipse.jetty:jetty-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

log4j-parent/pom.xml

@@ -111,7 +111,7 @@
     <jctools.version>4.0.5</jctools.version>
     <je.version>18.3.12</je.version>
     <jeromq.version>0.6.0</jeromq.version>
-    <jetty.version>9.4.54.v20240208</jetty.version>
+    <jetty.version>9.4.55.v20240627</jetty.version>
     <jmdns.version>3.5.9</jmdns.version>
     <jmh.version>1.37</jmh.version>
     <json-unit.version>2.39.0</json-unit.version>