Bump org.eclipse.jetty:jetty-bom in the maven group (#279)

Bumps the maven group with 1 update: [org.eclipse.jetty:jetty-bom](https://github.com/jetty/jetty.project).


Updates `org.eclipse.jetty:jetty-bom` from 9.4.56.v20240826 to 9.4.57.v20241219
- [Release notes](https://github.com/jetty/jetty.project/releases)
- [Commits](jetty/jetty.project@jetty-9.4.56.v20240826...jetty-9.4.57.v20241219)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -50,7 +50,7 @@
     <version.checkstyle>10.21.1</version.checkstyle>
     <version.dropwizard>4.2.29</version.dropwizard>
     <version.jackson>2.18.2</version.jackson>
-    <version.jetty>9.4.56.v20240826</version.jetty>
+    <version.jetty>9.4.57.v20241219</version.jetty>
     <version.slf4j>2.0.16</version.slf4j>
     <version.snappy>1.1.10.7</version.snappy>
     <version.zookeeper>3.9.3</version.zookeeper>